C132233133112121111331333133313231333133313231311331323113121211   >>    C13223313311212111133133313331323133313331323131133132311312121   <<    C132233133112121111331333133313231333133313231311331323113121213   >>      C132233133112121111331333133313231333133313231311331323113121212   >>