Has an AFL game ever ended 56-29?
It has. 56-29 has been a AFL final 3 times in 16,622 games. The first was Carlton beat Fitzroy on June 6, 1903; the latest was Richmond beat Fremantle on September 2, 2020.
That makes 56-29 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 57-29 has happened never and 56-30 has happened 2 times. At one point the score disappeared for 63 years, between 1903 and 1966.