Find out the hint on the left wall and use it on the right wall ! If you can’t solve it read endless escape level 45 walkthrough for the cheat answer
Top left, we see white numbers on red background. 27/9 = 3
Therefore, three wind turbines are in pink (red + white = pink)
now you have the logic why don’t you try to solve on the right one
Top right, we have 5 = 25:5 and blue on red color. Therefore, the wheels must be purple.
Click 5 purple wheels with 1 free space for each wheel, just like a turbine
it’s up to you where to start
get the key on the bottom left windmill stairs and open the door to pass