Click the attached photo.

Additional help:

Counting pattern:

1. 1 & 2 | 1 & 2 | [1 2] |
2. 1 2 3 | 1 & 2 3 | 1 2 [3] |
3. 1 & 2 3 & 4 | 1 [2] 3 4 | [1 2 3 4]

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