C1111121111331311211331333133313331323331311312111133132322112113122331   >>    C111112111133131121133133313331333132333131131211113313232211211312233   <<    C1111121111331311211331333133313331323331311312111133132322112113122333   >>      C1111121111331311211331333133313331323331311312111133132322112113122332   >>