C3132121111133313233121111331333133313331333133313331333133313331311331231211   >>    C313212111113331323312111133133313331333133313331333133313331333131133123121   <<    C3132121111133313233121111331333133313331333133313331333133313331311331231213   >>      C3132121111133313233121111331333133313331333133313331333133313331311331231212   >>