C132233133112121111331333133313231333133313231211113313113321211   >>    C13223313311212111133133313331323133313331323121111331311332121   <<    C132233133112121111331333133313231333133313231211113313113321213   >>      C132233133112121111331333133313231333133313231211113313113321212   >>