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nc a 铌b ` b [a
nc 3 | 0 5 | 0 2 | 1 2 | 1 3 | 0
a 0 | 3 1 | 1 2 | 0 0 | 4 3 | 1 2 | 1 7 | 3
1 | 1 1 | 4 0 | 3 1 | 2 0 | 6 1 | 2
铌b 0 | 5 0 | 2 4 | 1 1 | 2 1 | 1 2 | 2 4 | 3
` 4 | 0 3 | 0 2 | 1 3 | 1 0 | 3 8 | 1
b 1 | 2 1 | 3 2 | 1 1 | 1 1 | 3 0 | 4 4 | 0
[a 1 | 2 1 | 2 6 | 0 2 | 2 3 | 0 4 | 0 20 | 0
0 | 3 3 | 7 2 | 1 3 | 4 1 | 8 0 | 4 0 | 20