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如果是两个shrubbery点连在一起,Bessie能在到达一个shrubbery点后,走一步穿过第一个shrubbery点到达第二个shrubbery点吗 ?还是要退出第一个shrubbery,绕道而行 ? 

Posted by 417370112 at 2007-01-24 13:30:27 on Problem 3170


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