C31232233133313221211113313331333133313331212111112111133212312121
>>
C3123223313331322121111331333133313331333121211111211113321231212
<<
C31232233133313221211113313331333133313331212111112111133212312123
>>
C31232233133313221211113313331333133313331212111112111133212312122
>>