C132233133112121111331333133313331323331333133313231311233131211   >>    C13223313311212111133133313331333132333133313331323131123313121   <<    C132233133112121111331333133313331323331333133313231311233131213   >>      C132233133112121111331333133313331323331333133313231311233131212   >>