C23221211113313331233133313331312111133133313331333133112133313121121
>>
C2322121111331333123313331333131211113313331333133313311213331312112
<<
C23221211113313331233133313331312111133133313331333133112133313121123
>>
C23221211113313331233133313331312111133133313331333133112133313121122
>>