C312322331333132212111133133313331333133312121111331312111133112231322321   >>    C31232233133313221211113313331333133313331212111133131211113311223132232   <<    C312322331333132212111133133313331333133312121111331312111133112231322323   >>      C312322331333132212111133133313331333133312121111331312111133112231322322   >>