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Master · 2026-11-11
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Form groups of adjacent cells (above, below, left, or right) that add up to:
20
23
20
12
9
6
12
2
0
1
7
0
3
4
7
0
3
2
7
2
3
0
7
0
0
9
0
3
0
1
4
0
0
8
2
8
0
9
2
4
0
0
0
3
8
9
0
1
7
0
0
3
6
0
4
0