C312322331333132212111133133313331333133312121111331311331311222231   >>    C31232233133313221211113313331333133313331212111133131133131122223   <<    C312322331333132212111133133313331333133312121111331311331311222233   >>      C312322331333132212111133133313331333133312121111331311331311222232   >>