Given the task definition and input, reply with output. 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: First time at the beach. Sentence 1: When Pat visited her grandparents on the East coast, she was thrilled. Sentence 2: But as soon as her feet touched the water she was stung. Sentence 3: She ran on the beach heading for the waves. Sentence 4: She had never seen an ocean before. Sentence 5: A big jellyfish stood at her feet so she ran away crying.
42