In this task, you're given a short story of five sentences written in natural language. However, the order of the given story is not correct. Your job is to return the correct order for the given five sentences to create a coherent short story with the new order that has the correct flow. Generate your answer using the number of sentences in the correct order, such as '23415'.
Q: Sentence1: It took her an hour to clear the snow. Sentence2: It snowed the night before so she had to shovel her car out. Sentence3: Heading back in the house to get ready, she heard a familiar sound. Sentence4: Helen got up for work early. Sentence5: She had left the shower running.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
32415