[問題] 四枚硬幣排直線
四枚排成菱形的硬幣(不是正方形)
OO
O O (大概是這種樣子 不過是連接起來的)
必須在移動四次以內讓四枚硬幣排成一直線
前提是每次移動後的那枚硬幣必須接觸到另外兩枚硬幣
請大家幫幫忙,謝謝!
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