C132233133112121111331333133313231333133313231311331333133312221   >>    C13223313311212111133133313331323133313331323131133133313331222   <<    C132233133112121111331333133313231333133313231311331333133312223   >>      C132233133112121111331333133313231333133313231311331333133312222   >>