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Expert · 2026-09-25
Form groups of adjacent cells (above, below, left, or right) that add up to:
13
10
9
5
23
29
7
3
6
5
8
0
4
6
6
0
0
9
0
0
5
0
1
7
7
7
0
7
8
0
9
5
1
7
8
0
0
0
0
0
7
7
3
5
6