Number Island
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Hard · 2026-11-07
★★★★
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Form groups of adjacent cells (above, below, left, or right) that add up to:
33
6
2
2
8
3
4
4
1
0
0
6
9
0
2
0
0
8
7
4
2
0
4
6
8
0
3
7
4
0
5
4