beltsweeper maticus
With subtractors that subtract the 2's coming out of 9 by itself, and then feed the 0's coming out of the subtractors back into 9. Then, when you have completed your build that brings the correct number for the Hub, you can divide all the 2's by zero with a divider, and 9 will do its animation, and you will get your previous builds back. holy paragraph I did not expect it to be that long