C111112111133131121133133313331333131131211113313331322331323112121   >>    C11111211113313112113313331333133313113121111331333132233132311212   <<    C111112111133131121133133313331333131131211113313331322331323112123   >>      C111112111133131121133133313331333131131211113313331322331323112122   >>