C132233133112121111331333133313231333133313231311331333132221122321   >>    C13223313311212111133133313331323133313331323131133133313222112232   <<    C132233133112121111331333133313231333133313231311331333132221122323   >>      C132233133112121111331333133313231333133313231311331333132221122322   >>