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.
Q: Title: Blood Moon. Sentence 1: My daughter and I sat outside to watch the blood moon last summer. Sentence 2: We talked for hours and really bonded. Sentence 3: The moon itself was breathtakingly beautiful. Sentence 4: The next day we went out and bought a telescope. Sentence 5: We realized we both had a real interest in space.
A:
54