C23221211113313331233133313331312111112111133313331333112121121
>>
C2322121111331333123313331333131211111211113331333133311212112
<<
C23221211113313331233133313331312111112111133313331333112121123
>>
C23221211113313331233133313331312111112111133313331333112121122
>>