C3132121111133313233121111331333133313331333121211113313332132233132333231   >>    C313212111113331323312111133133313331333133312121111331333213223313233323   <<    C3132121111133313233121111331333133313331333121211113313332132233132333233   >>      C3132121111133313233121111331333133313331333121211113313332132233132333232   >>