C312322331333132212111133133313331333133312121111121111133313221121221   >>    C31232233133313221211113313331333133313331212111112111113331322112122   <<    C312322331333132212111133133313331333133312121111121111133313221121223   >>      C312322331333132212111133133313331333133312121111121111133313221121222   >>