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Expert · 2026-08-07
Form groups of adjacent cells (above, below, left, or right) that add up to:
17
6
2
9
16
18
5
1
4
9
7
2
0
2
6
0
8
0
2
0
1
8
6
9
0
5
4
4
4
0
0
2
0
1
9
0
5
0
1
0
5
0
6
4
0
9