C132233133112121111331333133313231333133313233211111323133313231121   >>    C13223313311212111133133313331323133313331323321111132313331323112   <<    C132233133112121111331333133313231333133313233211111323133313231123   >>      C132233133112121111331333133313231333133313233211111323133313231122   >>