A team has finished a game with 3-12-4 runs-hits-errors line 45 times since 1897, most recently Florida Marlins on 4 May 2004. That is about one every 9,844 team-games.
Box score for the most recent one ↗
3-11-0 3-11-1 3-11-4 3-11-8 3-11-7 3-11-9 3-12-4 3-12-5 3-12-0 3-12-1 3-12-3 3-12-6 3-12-2
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes