C111112111133131121133133313331333131333132313223313331323131231   >>    C11111211113313112113313331333133313133313231322331333132313123   <<    C111112111133131121133133313331333131333132313223313331323131233   >>      C111112111133131121133133313331333131333132313223313331323131232   >>