How have the Pacers done it?

From the great Zach Lowe at Grantland:

"....the Pacers have split four games with a team that had entered the series 45-3 in its prior 48 games. And they've done it for two reasons:

1. Indiana’s offense, which ranged from bad to mediocre all season, has sliced apart Miami at a rate of 111.3 points per 100 possessions — a mark that would have led the leagu…