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Expert · 2026-08-08
Form groups of adjacent cells (above, below, left, or right) that add up to:
2
18
9
6
4
9
22
4
2
7
8
5
1
1
0
9
8
2
1
0
6
0
4
0
0
0
0
9
2
5
0
0
4
3
2
2
7
0
0
0
1
5
1
0