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Expert · 2026-09-24
Form groups of adjacent cells (above, below, left, or right) that add up to:
8
2
5
16
2
4
9
31
7
13
8
1
0
2
0
5
0
8
4
0
0
0
2
0
4
0
4
0
4
9
7
5
4
1
7
0
0
5
7
3
0
4
9
0
3
8