输入9行字符串,每行9个字符(不包含\r\n),总共81个字符,空着的格子用字符‘X’表示53XX7XXXX6XX195XXXX98XXXX6X8XXX6XXX34XX8X3XX17XXX2XXX6X6XXXX28XXXX419XX5XXXX8XX79
合法在输出字符串,“true”非法则输出字符串,“false”
53XX7XXXX 6XX195XXX X98XXXX6X 8XXX6XXX3 4XX8X3XX1 7XXX2XXX6 X6XXXX28X XXX419XX5 XXXX8XX79
true