C3132121111133313233121111331333133313331312121111331333132233131231211   >>    C313212111113331323312111133133313331333131212111133133313223313123121   <<    C3132121111133313233121111331333133313331312121111331333132233131231213   >>      C3132121111133313233121111331333133313331312121111331333132233131231212   >>