C3132121111133313233121111331333133313331333133313331333131133133313112232231   >>    C313212111113331323312111133133313331333133313331333133313113313331311223223   <<    C3132121111133313233121111331333133313331333133313331333131133133313112232233   >>      C3132121111133313233121111331333133313331333133313331333131133133313112232232   >>