Detailed Instructions: 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: When they ate lunch, the girls became friends. Sentence2: When she walked into the school she went looking for her. Sentence3: When she met her, she invited her to sit with her at lunch. Sentence4: Kelly found out there was a new girl at school. Sentence5: Kelly was happy to have made a new friend.
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
42315