C312322331333132212111133133313331333133312121111121111133313232133312111   >>    C31232233133313221211113313331333133313331212111112111113331323213331211   <<    C312322331333132212111133133313331333133312121111121111133313232133312113   >>      C312322331333132212111133133313331333133312121111121111133313232133312112   >>