C132233133112121111331333133313231333133313231323221211111211113321121   >>    C13223313311212111133133313331323133313331323132322121111121111332112   <<    C132233133112121111331333133313231333133313231323221211111211113321123   >>      C132233133112121111331333133313231333133313231323221211111211113321122   >>