C111112111133131121133133313331333132311211312111133132322331323123121   >>    C11111211113313112113313331333133313231121131211113313232233132312312   <<    C111112111133131121133133313331333132311211312111133132322331323123123   >>      C111112111133131121133133313331333132311211312111133132322331323123122   >>