| 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 | 263 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 12 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 53 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 353 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 1050 | 4 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 279 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 43 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 200 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 212 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 279 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 180 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 224 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 108 | 4 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 496 | 4 | 4 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 13 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 176 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 351 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 260 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 286 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 489 | 3 | 3 |
| 1 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 399 | 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 | 246 | 3 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 150 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 396 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 248 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 301 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 353 | 3 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 190 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 155 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 199 | 3 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 539 | 4 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 1145 | 4 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 270 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 221 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 378 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 331 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 598 | 3 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 858 | 4 | 4 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 189 | 4 | 3 |
| 2 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 494 | 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 | 433 | 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 | 106 | 4 | 4 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 321 | 4 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 312 | 4 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 305 | 4 | 4 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 199 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 215 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 33 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 211 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 623 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 536 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 143 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 35 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 51 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 484 | 4 | 4 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 303 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 814 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 693 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 413 | 3 | 3 |
| 3 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 68 | 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 | 0 | 3 | NaN |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 493 | 4 | 4 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 460 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 768 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 725 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 777 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 289 | 3 | 4 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 463 | 4 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 241 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 269 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 268 | 3 | 4 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 238 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 299 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 261 | 3 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 261 | 4 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 217 | 3 | 4 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 1426 | 4 | 3 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 806 | 4 | 4 |
| 4 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | N | 438 | 3 | 4 |
| 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 | 92 | 4 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 257 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 88 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 259 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | H | 147 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 0 | 3 | NaN |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 74 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 241 | 4 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 250 | 4 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 353 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 449 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 203 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 246 | 4 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 247 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 437 | 4 | 4 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 243 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 246 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 374 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 606 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 173 | 3 | 3 |
| 5 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 317 | 3 | 3 |
| 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 | 538 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 707 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 215 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 1060 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 375 | 4 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 357 | 4 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 885 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 288 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 435 | 3 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 531 | 4 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 810 | 4 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 465 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 930 | 3 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 539 | 3 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 626 | 4 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 995 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 691 | 3 | 3 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 520 | 3 | 4 |
| 6 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 448 | 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 | 64 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 186 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | M | 52 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 481 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 3 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 112 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 135 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 629 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 286 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 219 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 39 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 260 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 713 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 267 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | G | 222 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 268 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 339 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 0 | 3 | NaN |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 252 | 3 | 3 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 232 | 4 | 4 |
| 7 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 267 | 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 | 179 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 0 | 3 | NaN |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 90 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 785 | 3 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 214 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 607 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 713 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 713 | 4 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 343 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 1111 | 3 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 296 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 285 | 4 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 258 | 3 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 813 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 1298 | 4 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 330 | 3 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 179 | 3 | 3 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 371 | 3 | 4 |
| 8 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 364 | 4 | 3 |
| 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 | 212 | 4 | 4 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 338 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 436 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 4 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 214 | 4 | 4 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 392 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 270 | 4 | 4 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 286 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 220 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 235 | 3 | 4 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 305 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 496 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | C | 133 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 273 | 4 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 212 | 4 | 4 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 402 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 425 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 317 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 205 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | P | 345 | 3 | 3 |
| 10 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 250 | 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 | 68 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 308 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 613 | 4 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 1130 | 3 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 649 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 377 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 285 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 431 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Z | 218 | 3 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | L | 1265 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 986 | 3 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 435 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 318 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | O | 459 | 4 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 214 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 475 | 4 | 4 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 151 | 3 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 222 | 4 | 3 |
| 11 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 223 | 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 | 155 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 404 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | E | 700 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 188 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 207 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 830 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | W | 1039 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | K | 534 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 268 | 3 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 283 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 346 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | V | 410 | 3 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 124 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 421 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 240 | 3 | 3 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 659 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 576 | 3 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 551 | 4 | 4 |
| 12 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 204 | 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 | 409 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 470 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 102 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 256 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 207 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 216 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 116 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 132 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 928 | 4 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 375 | 4 | 4 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 286 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 161 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | K | 193 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Z | 218 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 428 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | I | 291 | 4 | 4 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 527 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | W | 744 | 4 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 388 | 3 | 3 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 371 | 4 | 4 |
| 13 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 237 | 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 | 319 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 589 | 3 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | P | 107 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | M | 437 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | U | 276 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 188 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 307 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | S | 454 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | D | 336 | 4 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | R | 488 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Q | 1039 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 412 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 313 | 3 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 341 | 3 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | F | 389 | 3 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 140 | 4 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | X | 133 | 4 | 3 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | Y | 260 | 3 | 4 |
| 14 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 529 | 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 | 11 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 300 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | N | 67 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | V | 215 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 122 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 128 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 65 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 134 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 46 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 163 | 4 | 4 |
| 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 | 359 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | A | 421 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 90 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 111 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 542 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 470 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | D | 303 | 4 | 4 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | J | 239 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 316 | 3 | 3 |
| 15 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 242 | 3 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 0 | 2 | NaN |
| 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 | 221 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 84 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | B | 499 | 1 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | C | 277 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 507 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 365 | 2 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 484 | 2 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 316 | 1 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 14 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 629 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 690 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 914 | 2 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | J | 434 | 1 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | G | 461 | 2 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 948 | 2 | 4 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | H | 365 | 1 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 0 | 2 | NaN |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | I | 35 | 1 | 3 |
| 16 | Three Back Task \n\n Press TARGET if current letter is same as the third previous letter\n\n | A | 285 | 2 | 4 |
| 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 | 96 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | U | 238 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 484 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 195 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 233 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | T | 268 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | O | 186 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 243 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 37 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 59 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | X | 208 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 527 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 300 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | S | 336 | 4 | 4 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | L | 27 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Q | 190 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | R | 61 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | B | 134 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | F | 316 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | E | 291 | 3 | 3 |
| 17 | One Back Task \n\n Press TARGET if current letter is same as the previous letter\n\n | Y | 747 | 3 | 3 |