C313212111113331323312111133133313331333133313331333133313113313331323131212121
>>
C31321211111333132331211113313331333133313331333133313331311331333132313121212
<<
C313212111113331323312111133133313331333133313331333133313113313331323131212123
>>
C313212111113331323312111133133313331333133313331333133313113313331323131212122
>>