C132233133112121111331333133313331333132313231332111133132233132223231121   >>    C13223313311212111133133313331333133313231323133211113313223313222323112   <<    C132233133112121111331333133313331333132313231332111133132233132223231123   >>      C132233133112121111331333133313331333132313231332111133132233132223231122   >>