C3132121111133313233121111331333133313331312121111133313331322323212323231   >>    C313212111113331323312111133133313331333131212111113331333132232321232323   <<    C3132121111133313233121111331333133313331312121111133313331322323212323233   >>      C3132121111133313233121111331333133313331312121111133313331322323212323232   >>