C132233133112121111331333133313231333133313231311331322331322123121   >>    C13223313311212111133133313331323133313331323131133132233132212312   <<    C132233133112121111331333133313231333133313231311331322331322123123   >>      C132233133112121111331333133313231333133313231311331322331322123122   >>