"SLIDING GEARS 2" puzzle. Solutions

There are several possible solutions, here are some of them:

The easiest way is to transfer the rotation diagonally - from the black to the red gear.

But in order to transfer the rotation to the gears that are adjacent to the black gear, you will have to resort to a trick.
It is impossible to solve these problems by trying to place the puzzle pieces in the "right" positions. Some parts should be slightly shifted. Here's what it looks like:

"SLIDING GEARS 2" puzzle. main page