C313212111133131211331333133313331311331333131133133313223322212121
>>
C31321211113313121133133313331333131133133313113313331322332221212
<<
C313212111133131211331333133313331311331333131133133313223322212123
>>
C313212111133131211331333133313331311331333131133133313223322212122
>>