C2221333133313331311233132313331333133313131133133313331311111122121
>>
C222133313331333131123313231333133313331313113313331333131111112212
<<
C2221333133313331311233132313331333133313131133133313331311111122123
>>
C2221333133313331311233132313331333133313131133133313331311111122122
>>