C111112111133131121133133313331333132313113313331311222331323231   >>    C11111211113313112113313331333133313231311331333131122233132323   <<    C111112111133131121133133313331333132313113313331311222331323233   >>      C111112111133131121133133313331333132313113313331311222331323232   >>