C312322331333132212111133133313331333133312121111331333133311212113331   >>    C31232233133313221211113313331333133313331212111133133313331121211333   <<    C312322331333132212111133133313331333133312121111331333133311212113333   >>      C312322331333132212111133133313331333133312121111331333133311212113332   >>