C3123121111331312121111331333133313331333121333133313331211111312213132233131   >>    C312312111133131212111133133313331333133312133313331333121111131221313223313   <<    C3123121111331312121111331333133313331333121333133313331211111312213132233133   >>      C3123121111331312121111331333133313331333121333133313331211111312213132233132   >>