C132233133112121111331333133313231333133313231311331333211332321   >>    C13223313311212111133133313331323133313331323131133133321133232   <<    C132233133112121111331333133313231333133313231311331333211332323   >>      C132233133112121111331333133313231333133313231311331333211332322   >>