Has an AFL game ever ended 136-79?
Exactly once. On April 6, 1991, Hawthorn beat Richmond 136-79, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 136-79 in league history.
That makes 136-79 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 137-79 has happened 2 times and 136-80 has happened never.