| 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 | Q | 108 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 95 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 152 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 475 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 69 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 182 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 219 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 270 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 177 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 193 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 246 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 476 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 772 | 4 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 242 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 664 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 466 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 161 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 441 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 229 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 286 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 506 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 0 | 3 | NaN |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 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 | Z | 596 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 655 | 3 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 599 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 244 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 459 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 484 | 3 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 596 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 1031 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 1236 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 506 | 4 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 544 | 4 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 620 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 775 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 822 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 907 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 1012 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 512 | 4 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 1484 | 4 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 493 | 4 | 4 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 0 | 3 | NaN |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 163 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 214 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 937 | 4 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 691 | 4 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 605 | 4 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 276 | 4 | 4 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 346 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 561 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 335 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 363 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 461 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 382 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 779 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 357 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 0 | 3 | NaN |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 548 | 4 | 4 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 393 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 1156 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 632 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 284 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 172 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 0 | 3 | NaN |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 0 | 3 | NaN |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 0 | 3 | NaN |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 543 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 1394 | 4 | 4 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 438 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 491 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 602 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 838 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 616 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 350 | 4 | 4 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 205 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 339 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 662 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 644 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 591 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 654 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 420 | 4 | 4 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 629 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 1262 | 4 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 441 | 4 | 4 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 235 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 0 | 3 | NaN |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 164 | 4 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 62 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 633 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 277 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 168 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 201 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 84 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 519 | 4 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 231 | 4 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 46 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 160 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 401 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 408 | 4 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 485 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 451 | 4 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 847 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 488 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 695 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 840 | 3 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 600 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 0 | 3 | NaN |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 0 | 3 | NaN |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 0 | 3 | NaN |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 0 | 3 | NaN |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 689 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 914 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 610 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 625 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 344 | 4 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 588 | 4 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 348 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 551 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 385 | 3 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 760 | 4 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 318 | 4 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 505 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 624 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 514 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 276 | 4 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 138 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 750 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 335 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 449 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 0 | 3 | NaN |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 325 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 190 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 468 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 406 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 76 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 205 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 522 | 4 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 252 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 251 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 261 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 278 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 95 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 104 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 144 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 399 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 162 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 108 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 34 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 106 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 164 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 169 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | T | 0 | 3 | NaN |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 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 | M | 42 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 583 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 416 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 163 | 3 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 376 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 493 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 184 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 342 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 323 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 562 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 447 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 357 | 4 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 283 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 332 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 247 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 1419 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 448 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 194 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 275 | 4 | 4 |
| 9 | Rest | | NaN | NaN | NaN |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 0 | 3 | NaN |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 330 | 4 | 4 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 476 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 198 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 405 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 157 | 4 | 4 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 145 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 84 | 4 | 4 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 263 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 251 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 656 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 257 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 287 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 174 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 269 | 4 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 174 | 4 | 4 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 10 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 94 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 365 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 105 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 119 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 43 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 0 | 3 | NaN |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 0 | 3 | NaN |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 0 | 3 | NaN |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 325 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 225 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 398 | 4 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 1091 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 673 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 834 | 3 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 237 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 483 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 826 | 3 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 407 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 139 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 390 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 597 | 3 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 186 | 4 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 643 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 307 | 4 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 213 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 377 | 4 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 241 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 0 | 3 | NaN |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 0 | 3 | NaN |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 0 | 3 | NaN |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 175 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 290 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 530 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 310 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 241 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 117 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 122 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 297 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 306 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 580 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 385 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 675 | 3 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 203 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 311 | 4 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 515 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 320 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 724 | 3 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 547 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 638 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 0 | 3 | NaN |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 230 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 447 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 325 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 10 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 460 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 192 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 168 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 36 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 296 | 4 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 81 | 4 | 4 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 282 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 271 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 20 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Z | 105 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 236 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 203 | 4 | 4 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 129 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 84 | 4 | 4 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 36 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 112 | 4 | 4 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 332 | 3 | 3 |
| 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 | E | 0 | 3 | NaN |
| 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 | M | 48 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 218 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 116 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 162 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 589 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 269 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 305 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 157 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 110 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 329 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 114 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 298 | 3 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 262 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 607 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 284 | 3 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 654 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 340 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 153 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 329 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 0 | 3 | NaN |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 7 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 0 | 4 | NaN |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 148 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 192 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 22 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 426 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 270 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 218 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 82 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 403 | 4 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 279 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 281 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 353 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 78 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 96 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 18 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 25 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 46 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 692 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 225 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 164 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 558 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 0 | 2 | NaN |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 0 | 2 | NaN |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 503 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 667 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 555 | 1 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 508 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 432 | 2 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 615 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 293 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 739 | 1 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 1436 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 1004 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 544 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 429 | 2 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 487 | 1 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 387 | 2 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 338 | 2 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 403 | 1 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 601 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 930 | 1 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 1461 | 2 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 0 | 3 | NaN |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 359 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 24 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 133 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 165 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 91 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 48 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 124 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 261 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 204 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 7 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 690 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 369 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 275 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 565 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 612 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 241 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 262 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 196 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 332 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 0 | 3 | NaN |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 1199 | 3 | 3 |