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Expert · 2026-08-10
Form groups of adjacent cells (above, below, left, or right) that add up to:
19
8
3
40
5
9
3
2
0
2
0
0
3
1
0
6
0
0
4
7
9
2
0
8
3
0
4
1
6
8
5
0
5
4
7
2
0
0
0
9
4
0
3