C312322331333132212111133133313331333133312121111331333131322323231   >>    C31232233133313221211113313331333133313331212111133133313132232323   <<    C312322331333132212111133133313331333133312121111331333131322323233   >>      C312322331333132212111133133313331333133312121111331333131322323232   >>