C31232233133313221211113313331333133313331212111112111113211131
>>
C3123223313331322121111331333133313331333121211111211111321113
<<
C31232233133313221211113313331333133313331212111112111113211133
>>
C31232233133313221211113313331333133313331212111112111113211132
>>