C3132121111133313233121111331333133313331333133313331333133313221322311   >>    C313212111113331323312111133133313331333133313331333133313331322132231   <<    C3132121111133313233121111331333133313331333133313331333133313221322313   >>      C3132121111133313233121111331333133313331333133313331333133313221322312   >>