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叠筐

Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 40542    Accepted Submission(s): 10817


Problem Description
需要的时候,就把一个个大小差一圈的筐叠上去,使得从上往下看时,边筐花色交错。这个工作现在要让计算机来完成,得看你的了。
 

Input
输入是一个个的三元组,分别是,外筐尺寸n(n为满足0<n<80的奇整数),中心花色字符,外筐花色字符,后二者都为ASCII可见字符;
 

Output
输出叠在一起的筐图案,中心花色与外筐花色字符从内层起交错相叠,多筐相叠时,最外筐的角总是被打磨掉。叠筐与叠筐之间应有一行间隔。
 

Sample Input
11 B A 5 @ W
 

Sample Output
AAAAAAAAA ABBBBBBBBBA ABAAAAAAABA ABABBBBBABA ABABAAABABA ABABABABABA ABABAAABABA ABABBBBBABA ABAAAAAAABA ABBBBBBBBBA AAAAAAAAA @@@ @WWW@ @W@W@ @WWW@ @@@
 

Author
qianneng
 

Source
 

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