C1111121111331311211331333133313331323331311312111133132233132211111   >>    C111112111133131121133133313331333132333131131211113313223313221111   <<    C1111121111331311211331333133313331323331311312111133132233132211113   >>      C1111121111331311211331333133313331323331311312111133132233132211112   >>