Puzzle corner

Escape from the tower

Aim : Help the three prisoners escape from the tower.

Rules : Each basket can hold either two people or one person and the stone.
The queen weighs 78 kg, her son weighs 42 kg, her daughter weighs 36 kg and the stone weighs 30kg.
There cannot be a difference of more than 6 kg between the two baskets,
otherwise the descent may be too dangerous for the people in the basket.

Click on one people to make him get in and out of the basket.