C3132121111133313233121111331333133313331333133313331333133313223232311   >>    C313212111113331323312111133133313331333133313331333133313331322323231   <<    C3132121111133313233121111331333133313331333133313331333133313223232313   >>      C3132121111133313233121111331333133313331333133313331333133313223232312   >>