C312322331333132212111133133313331333133312121111121111133311232333132332321   >>    C31232233133313221211113313331333133313331212111112111113331123233313233232   <<    C312322331333132212111133133313331333133312121111121111133311232333132332323   >>      C312322331333132212111133133313331333133312121111121111133311232333132332322   >>