C132233133112121111331333133313231333133313231133132233132231211   >>    C13223313311212111133133313331323133313331323113313223313223121   <<    C132233133112121111331333133313231333133313231133132233132231213   >>      C132233133112121111331333133313231333133313231133132233132231212   >>