| A | B |
| 18,27,36,45,54,63,72,81 | rule is times 9 |
| 2,5,7,9,11,13, | rule is times 2 add 1 |
| 2,4,6,8,10, | rule is times 2 |
| 10,20,30,40 | rule is times 10 |
| 3,6,9,12,15,18,21,24 | rule is time 3 |
| 4,8,10,13,16,19,22,25 | rule is times 3 add 1 |
| 4,8,12 | rule is times 4 |
| 5,9,10,13 | rule is times 4 add 1 |
| 1,2,3,4,5,6, | rule is times 1 |
| 1,3,5,6 | rule is times 1 add 1 |
| 8,16,24 | rule is times 8 |
| 9,17,25 | rule is times 8 add 1 |
| 7,14,21 | rule is times 7 |
| 8,15,22 | rule is times 7 add 1 |
| 11,22,33,44,55, | rule is times 11 |
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