Control: left mouse button - pick / interact
WSAD - movement
Space - jump

Instructions:
1. Pour Sand and Cement to concrete mixer.
2. Switch on concrete mixer and wait for green stuff.
3. Take Mix from concrete mixer.
4. Pour Mix into a hole. (1 lvl - 2 layers, 2 and 3 lvl - 3 layers (we didn't have time to make a tutorial)).
5. Take Brick and place it in a hole.
6. Take Sand and scatter it on bricks (because of bug, you have to point between bricks to do it).
7. Take Broom and sweep the Sand between bricks (same as in 6, point between bricks).
8. Go to the Van.