Number Island
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Number Island
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Hard
Hard · 2026-11-12
★★★
☆☆
Form groups of adjacent cells (above, below, left, or right) that add up to:
8
5
20
22
0
4
6
6
0
0
1
1
4
9
0
1
3
6
0
2
0
0
0
6
7
9
2
9
2