C3132121111133313233121111331333133313331333121211113313133313232223331322311   >>    C313212111113331323312111133133313331333133312121111331313331323222333132231   <<    C3132121111133313233121111331333133313331333121211113313133313232223331322313   >>      C3132121111133313233121111331333133313331333121211113313133313232223331322312   >>