dbaaaabcacdbabbdbcdcacbabdddadbbbddaaabcbbcbabbcbabcacbdaccdadbaadcaaabcaddbabbdbcdcacbabdbdadbabaaaaabbbbababbcbcacacbdbbadadbaadbaaabcbccbabbdabccacbaadddadbbabaaaabcaaababbdabccacbdacbdadbbadbaaabcacababbdbcdcacbdaccdadbbabaaaabcaabbabbdbcdcacbabdbdadbbbcaaaabbaacbabbcbdacacbdbdcdadbabbdaaabbbdababbcbdccacbdbdcc
请按任意键继续