C31232233133313221211113313331333133313331212111133133112312121121
>>
C3123223313331322121111331333133313331333121211113313311231212112
<<
C31232233133313221211113313331333133313331212111133133112312121123
>>
C31232233133313221211113313331333133313331212111133133112312121122
>>