C312322331333132212111133133313331333133312121111133313221223321   >>    C31232233133313221211113313331333133313331212111113331322122332   <<    C312322331333132212111133133313331333133312121111133313221223323   >>      C312322331333132212111133133313331333133312121111133313221223322   >>