A team has finished a game with 12-19-3 runs-hits-errors line 12 times since 1897, most recently Colorado Rockies on 3 June 2005. That is about one every 36,917 team-games.
Box score for the most recent one ↗
12-18-4 12-18-8 12-18-5 12-19-6 12-19-0 12-19-1 12-19-3 12-19-5 12-19-2 12-19-4 12-20-2 12-20-4 12-20-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes