Sokoban Tutorial Part 3 – Not to obstruct building blocks

When we want to solve more levels where are solid bricks we must have principle "Not to obstruct building blocks". Sometimes when we don't need all bricks we can obstruct some block and we finish level but good principle is don't do that when is possible.

Sokoban Tutorial Part 2 – Moving blocks through the wall

In some levels only way to put brick into water is moving them through the wall.

Sokoban Tutorial Part 1 – Estitmates blocks

There are some principles to solve Sokoban levels in LaserTank. The first thing we should answer on question: "How many blocks we are need?"