| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 0 | 3 | NaN |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 487 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 222 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 189 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 74 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 417 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 464 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 0 | 4 | NaN |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 785 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 477 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 358 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 302 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 138 | 3 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 427 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 343 | 4 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 697 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 666 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 763 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 166 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 116 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 35 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 5 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 0 | 3 | NaN |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 0 | 3 | NaN |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 0 | 3 | NaN |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 171 | 3 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 235 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 338 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 0 | 4 | NaN |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 678 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 576 | 4 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 529 | 4 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 0 | 4 | NaN |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 904 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 699 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 475 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 0 | 3 | NaN |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 484 | 4 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 575 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 1033 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 543 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 1413 | 3 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 0 | 3 | NaN |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 833 | 3 | 3 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 1288 | 3 | 3 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 593 | 3 | 4 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 4 | 4 | 4 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 536 | 3 | 4 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 361 | 3 | 3 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 229 | 3 | 3 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 0 | 4 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 382 | 4 | 3 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 1087 | 3 | 4 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 733 | 4 | 4 |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 0 | 4 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 0 | 3 | NaN |
| 3 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 326 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 0 | 3 | NaN |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 383 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 0 | 3 | NaN |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 366 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 688 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 28 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 372 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 193 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 240 | 4 | 4 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 582 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 111 | 4 | 4 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 393 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 78 | 4 | 4 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 144 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 288 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 223 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 286 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 377 | 4 | 4 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 36 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 449 | 4 | 4 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 526 | 3 | 3 |
| 4 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 164 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 0 | 3 | NaN |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 0 | 3 | NaN |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 0 | 3 | NaN |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 464 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 863 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 200 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 426 | 4 | 4 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 169 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 1379 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 890 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 631 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 0 | 3 | NaN |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 323 | 4 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 358 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 381 | 3 | 4 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 0 | 4 | NaN |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 763 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 531 | 4 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 706 | 4 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 411 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 500 | 3 | 3 |
| 5 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 955 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 0 | 3 | NaN |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 492 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 41 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 30 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 231 | 4 | 4 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 495 | 4 | 4 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 585 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Z | 47 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 308 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 377 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 439 | 4 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 190 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 71 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 36 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 0 | 3 | NaN |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 15 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 403 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 256 | 4 | 4 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 1350 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 360 | 3 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 291 | 4 | 3 |
| 6 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 113 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 0 | 3 | NaN |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 406 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 376 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 308 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 155 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 738 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 50 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 0 | 3 | NaN |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 0 | 3 | NaN |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 41 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 160 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 35 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 0 | 3 | NaN |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 420 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 86 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 127 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 0 | 4 | NaN |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 616 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 111 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 498 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 251 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 8 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 0 | 3 | NaN |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 0 | 3 | NaN |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 0 | 3 | NaN |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 843 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 823 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 446 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 1105 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 0 | 3 | NaN |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 786 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 882 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 266 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 1089 | 3 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 1230 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 0 | 3 | NaN |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 226 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 685 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 259 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 325 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 1075 | 3 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 0 | 3 | NaN |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 0 | 3 | NaN |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | T | 243 | 3 | 3 |
| 9 | Rest | | NaN | NaN | NaN |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 0 | 3 | NaN |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 0 | 3 | NaN |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 0 | 3 | NaN |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 1344 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 328 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 444 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 818 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 673 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 403 | 3 | 4 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 279 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 958 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 303 | 3 | 4 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 114 | 4 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 165 | 4 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 414 | 4 | 4 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 0 | 3 | NaN |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 548 | 4 | 4 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 731 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 585 | 3 | 4 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 30 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 1173 | 3 | 3 |
| 10 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 547 | 4 | 4 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 0 | 3 | NaN |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 299 | 4 | 4 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 334 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 705 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 67 | 4 | 4 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 925 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 767 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 0 | 4 | NaN |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 0 | 3 | NaN |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 135 | 4 | 4 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 0 | 4 | NaN |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 30 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 720 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 250 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 71 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 607 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 0 | 3 | NaN |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 479 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 455 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 465 | 3 | 3 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 210 | 4 | 4 |
| 11 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 487 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 0 | 3 | NaN |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 781 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 89 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 54 | 4 | 4 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 1043 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 277 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 114 | 4 | 4 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 491 | 4 | 4 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 279 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 436 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 455 | 4 | 4 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 895 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 141 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 218 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 417 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 574 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 158 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 247 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 0 | 3 | NaN |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 55 | 3 | 3 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 85 | 4 | 4 |
| 12 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 329 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 0 | 3 | NaN |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 0 | 3 | NaN |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 0 | 3 | NaN |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 685 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 347 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 107 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 434 | 3 | 4 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 204 | 4 | 4 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 401 | 4 | 4 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 296 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 277 | 4 | 4 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 879 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 1181 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 659 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 83 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 596 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 1060 | 4 | 4 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 0 | 3 | NaN |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 645 | 4 | 4 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 1457 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | T | 476 | 3 | 3 |
| 13 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 564 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 0 | 3 | NaN |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 0 | 3 | NaN |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 0 | 3 | NaN |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 800 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 210 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 488 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 420 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 1019 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 284 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 675 | 3 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 1083 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 895 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 1149 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 658 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 470 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 226 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 538 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 38 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 475 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 798 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 377 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | T | 242 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 0 | 3 | NaN |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 195 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 167 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 285 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 876 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 169 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 208 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 125 | 3 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 67 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 34 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 273 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 615 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 71 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 161 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 295 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Z | 70 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Z | 364 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 257 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Z | 175 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 0 | 3 | NaN |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 5 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 412 | 4 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 0 | 3 | NaN |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 0 | 3 | NaN |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 0 | 3 | NaN |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 305 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 0 | 3 | NaN |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 48 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 0 | 3 | NaN |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 148 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 911 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 404 | 4 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 816 | 4 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 889 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 718 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 775 | 4 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 1147 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 365 | 4 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 1476 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 804 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 1129 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 542 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 407 | 4 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 548 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 0 | 3 | NaN |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 1329 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 387 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 218 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 56 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 480 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 385 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 231 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 151 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 0 | 3 | NaN |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 270 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 161 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 377 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 286 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 613 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 282 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 444 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 224 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 74 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 219 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 159 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 135 | 3 | 3 |