C313212111113331323312111133133313331333131212111113331323211121
>>
C31321211111333132331211113313331333133313121211111333132321112
<<
C313212111113331323312111133133313331333131212111113331323211123
>>
C313212111113331323312111133133313331333131212111113331323211122
>>