C3132121111133313233121111331333133313331333133313331333133313332213221211   >>    C313212111113331323312111133133313331333133313331333133313331333221322121   <<    C3132121111133313233121111331333133313331333133313331333133313332213221213   >>      C3132121111133313233121111331333133313331333133313331333133313332213221212   >>