"Deep Trouble" puzzle

This exercise is for my students of ESO 3 D+E. You had to describe several situations of the short story Deep Trouble using the Past Simple and Past Continuous. These are some of them, but I´ve put them here in the wrong order; can you find the correct order according to the story? (I´m sure you can!):

A: "The boat started to move while the two friends were hiding". (by Emilio E.)

B: "Matt and Amy were walking in the airport when a policeman stopped them".(Laura M.)

C: "Matt and Amy were speaking in a room when Brad came. They were amazed when he said to them he was an undercover agent".(Belén R.)

D: "They were thinking how to escape when a man discovered them hidden in the boat".(Violeta G.)

E: "While the drug traffickers were telling Matt what to do to bring out the drugs, Sharon was telling Amy they had to seem like a happy family".(Marta L.)

G: "Matt and Amy were walking along the marina when Matt saw a big white boat".(Adrián O.)

H: "While the policemen were studying the case, Matt and Amy were waiting in an office". (Alejandro S.)

I: "Sharon shot Luis while the boys were looking at her".(Laura M.)

J: "The drug traffickers and Amy were waiting on the boat when Matt took up the drug."(Violeta G.)

K: "Jessica was thinking she had to study for her exam when Amy and Matt decided to do something different".(Marta L.)

L: "While they were hiding, Matt´s phone rang".(Adrián O.)

M: "While Matt and Amy were talking on the boat they heard a noise". (Laura M.)

N: "When the police found the drug in their bags, they arrested them". (Belén R.)

First situation: K. Now you continue!