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Master · 2026-09-30
Form groups of adjacent cells (above, below, left, or right) that add up to:
8
12
18
7
12
1
17
5
3
5
12
15
8
0
0
0
0
4
3
0
4
6
4
6
0
3
0
8
0
0
1
3
2
3
6
0
1
0
6
0
6
6
5
0
4
7
0
3
5
5
3
0
7
5
0
4
8
0
8
7
1