C132233133112121111331333133313231333133313231311331333132233131221   >>    C13223313311212111133133313331323133313331323131133133313223313122   <<    C132233133112121111331333133313231333133313231311331333132233131223   >>      C132233133112121111331333133313231333133313231311331333132233131222   >>