C1111121111331311211331333133313331333133312113121111331333132322232321312121   >>    C111112111133131121133133313331333133313331211312111133133313232223232131212   <<    C1111121111331311211331333133313331333133312113121111331333132322232321312123   >>      C1111121111331311211331333133313331333133312113121111331333132322232321312122   >>