C31231211111133131211113313331333132312111113331333133313331121113331322323231   >>    C3123121111113313121111331333133313231211111333133313331333112111333132232323   <<    C31231211111133131211113313331333132312111113331333133313331121113331322323233   >>      C31231211111133131211113313331333132312111113331333133313331121113331322323232   >>