C132233133112121111331333133313331323331333133313231311233133311212121   >>    C13223313311212111133133313331333132333133313331323131123313331121212   <<    C132233133112121111331333133313331323331333133313231311233133311212123   >>      C132233133112121111331333133313331323331333133313231311233133311212122   >>