## 三角迷宫

A 1
3 6
9 7 8
2 6 3 9
3 1 5 8 5
5 9 4 6 3 2
8 3 2 9 4 9 1
6 5 7 4 1 2 8 7
7 1 4 8 7 4 5 6 2

2
1
3 6
9 7 8
2 6 3 9
3 1 5 8 5
5 9 4 6 3 2
8 3 2 9 4 9 1
6 5 7 4 1 2 8 7
7 1 4 8 7 4 5 6 2

4
3 6
9 7 8
2 6 3 9
3 1 5 8 5
5 9 4 6 3 2
8 3 2 9 4 9 1
6 5 7 4 1 2 8 7
7 1 4 8 7 4 5 6 2
Case 1:
Possible
Case 2:
Impossible


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