The court heard that all of them had been drinking at a house party the night before.
After the attack they returned to the house party.
It was then alleged that they took off their blood stained clothes, and another friend Artur Woszcxyna, then drove to St Bees and threw a bag with the clothes and shoes over a cliff.
Another man, Artur Skoczen is also accused of helping cover up the murder.
All the defendants deny the charges.
The trial is expected to take up to six weeks.
More top news
After a mild day for the UK temperatures will hold up overnight - but what will tomorrow bring.
Police are urging bikers to be aware of heading out on their vehicles after they've been stored inside due to a long winter.
One Galashiels Red Setter has given birth to 15 pups on Mother's Day.