Why output is different in my PC and server?

Revision en1, by sarusama, 2016-09-24 22:20:45

my code : 20895807

input : AABCDEFGHIJKLMNOPQRSTUVW??M

in my PC : -1

in server : AABCDEFGHIJKLMNOPQRSTUVWAAM

am I miss something?

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en1 English sarusama 2016-09-24 22:20:45 198 Initial revision (published)