根据字符串取sn索引
abcdefghijklmnopqrstuvwxyz+-ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 abcdefghijklmnop 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
0043FCBC 01 01 01 00 00 00 00 00 00 00 00 00 00 00 00 00 0043FCCC 01 00 00 01 01 00 00 00 00 00 00 00 00 00 00 00 0043FCDC 01 00 00 00 00 01 01 00 00 00 00 00 00 00 00 00 0043FCEC 00 01 00 00 00 01 00 01 00 00 00 00 00 00 00 00 0043FCFC 00 01 00 00 01 00 01 00 00 00 00 00 00 00 00 00 0043FD0C 00 00 01 01 00 00 00 00 01 00 00 00 00 00 00 00 0043FD1C 00 00 01 00 01 00 00 00 00 01 00 00 00 00 00 00 0043FD2C 00 00 00 01 00 00 00 01 00 00 01 00 00 00 00 00 0043FD3C 00 00 00 00 00 01 00 00 01 00 00 00 01 00 00 00 0043FD4C 00 00 00 00 00 00 01 00 00 00 00 01 00 01 00 00 0043FD5C 00 00 00 00 00 00 00 01 00 00 00 00 01 01 00 00 0043FD6C 00 00 00 00 00 00 00 00 00 01 00 01 00 00 01 00 0043FD7C 00 00 00 00 00 00 00 00 01 00 01 00 00 00 01 00 0043FD8C 00 00 00 00 00 00 00 00 00 01 01 00 00 00 00 01 0043FD9C 00 00 00 00 00 00 00 00 00 00 00 01 01 00 00 01 0043FDAC 00 00 00 00 00 00 00 00 00 00 00 00 00 01 01 01 indices: 00 01 02 03 04 00 05 06 00 05 07 01 04 06 01 08 02 03 09 02 04 07 0A 03 08 0C 05 0B 0D 06 0C 0D 07 0B 0E 09 0E 08 0A 0F 09 0A 0F 0B 0C 0F 0D 0E
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