Q: In this task, you're given the title of a story consisting of five sentences, numbered 1 through 5. Your job is to determine which two sentences need to be swapped sentences in order to make a story that makes complete sense and is befittingly titled. Indicate your answer using the numbers of the two sentences in order, such as '34' or '25'. The first digit refers to the sentence which should come first in the story.
Title: The Busted Wall. Sentence 1: Seth was in his house about to watch a movie. Sentence 2: He had hit the sofa too hard and pushed it through the wall. Sentence 3: Suddenly he heard a loud boom and a crunch. Sentence 4: He plopped down roughly on his couch making it rock. Sentence 5: Luckily the hole in the wall was easily repaired.
A:
42