C312322331333132212111133133313331333133312121111331333133311212323132331   >>    C31232233133313221211113313331333133313331212111133133313331121232313233   <<    C312322331333132212111133133313331333133312121111331333133311212323132333   >>      C312322331333132212111133133313331333133312121111331333133311212323132332   >>