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2667 days ago
Unfiled. Edited by 百千.IO 2667 days ago
2685 days ago
Unfiled. Edited by 百千.IO 2685 days ago
N塊盤從A塔到C塔 = N-1塊盤從A塔到B塔 + 1塊盤從A塔到C塔 + N-1塊盤從B塔到C塔

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