1 1 1
1 2 2
1 3 3
1 4 4
1 5 5
1 6 6
1 7 7
1 8 8
1 9 9
2 3 12
2 4 13
2 5 14 23
2 6 15 24
2 7 16 25 34
2 8 17 26 35
2 9 18 27 36 45
2 10 19 28 37 46
2 11 29 38 47 56
2 12 39 48 57
2 13 49 58 67
2 14 59 68
2 15 69 78
2 16 79
2 17 89
3 6 123
3 7 124
3 8 125 134
3 9 126 135 234
3 10 127 136 145 235
3 11 128 137 146 236 245
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3 13 139 148 157 238 247 256 346
3 14 149 158 167 239 248 257 347 356
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3 16 169 178 259 268 349 358 367 457
3 17 179 269 278 359 368 458 467
3 18 189 279 369 378 459 468 567
3 19 289 379 469 478 568
3 20 389 479 569 578
3 21 489 579 678
3 22 589 679
3 23 689
3 24 789
4 10 1234
4 11 1235
4 12 1236 1245
4 13 1237 1246 1345
4 14 1238 1247 1256 1346 2345
4 15 1239 1248 1257 1347 1356 2346
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4 21 1389 1479 1569 1578 2379 2469 2478 2568 3459 3468 3567
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4 25 1789 2689 3589 3679 4579 4678
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4 29 5789
4 30 6789
5 15 12345
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5 18 12348 12357 12456
5 19 12349 12358 12367 12457 13456 
5 20 12359 12368 12458 12467 13457 23456
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5 22 12379 12469 12478 12568 13459 13468 13567 23458 23467
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5 24 12489 12579 12678 13479 13569 13578 14568 23469 23478 23568 24567
5 25 12589 12679 13489 13579 13678 14569 14578 23479 23569 23578 24568 34567
5 26 12689 13589 13679 14579 14678 23489 23579 23678 24569 24578 34568
5 27 12789 13689 14589 14679 15678 23589 23679 24579 24678 34569 34578
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6 28 123589 123679 124579 124678 134569 134578 234568
6 29 123689 124589 124679 125678 134579 134678 234569 234578
6 30 123789 124689 125679 134589 134679 135678 234579 234678
6 31 124789 125689 134689 135679 145678 234589 234679 235678
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7 35 1235789 1245689 1345679 2345678
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