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Expert · 2026-11-12
★★★
☆☆
Form groups of adjacent cells (above, below, left, or right) that add up to:
12
28
9
12
25
4
0
0
6
1
1
2
4
9
6
4
0
6
8
0
8
8
3
7
0
6
2
9
0
7
3
0
2
5
4
6
1
1
6
0
0
8