Given the task definition and input, reply with output. 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'.

Sentence1: Ritz was born in a large litter of 12 other puppies. Sentence2: They raised him well and he led a very happy life. Sentence3: Ritz was orphaned and had to be sent to a shelter. Sentence4: Things changed one day for Ritz when his owner got cancer. Sentence5: When he was eight weeks old he was given away to a lovely family.
13542