C1111121111331311211331333133313331323112113121111331322331323231233131   >>    C111112111133131121133133313331333132311211312111133132233132323123313   <<    C1111121111331311211331333133313331323112113121111331322331323231233133   >>      C1111121111331311211331333133313331323112113121111331322331323231233132   >>