C11112331312111112111133133313331311331311211312111133132233132322211   >>    C1111233131211111211113313331333131133131121131211113313223313232221   <<    C11112331312111112111133133313331311331311211312111133132233132322213   >>      C11112331312111112111133133313331311331311211312111133132233132322212   >>