C1111121111331311211331333133313331323331311312111133132233132231233131   >>    C111112111133131121133133313331333132333131131211113313223313223123313   <<    C1111121111331311211331333133313331323331311312111133132233132231233133   >>      C1111121111331311211331333133313331323331311312111133132233132231233132   >>