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Expert · 2026-08-13
Form groups of adjacent cells (above, below, left, or right) that add up to:
9
9
8
3
1
33
7
12
1
4
9
0
9
2
4
4
4
0
0
3
0
0
0
1
0
1
3
4
7
5
0
0
7
6
4
3
9
0
9
1
1
0
0
4
0
3