A guide on how to acheive the ideal score for second level.
Level #2: The CPU (Missing Multiply)
The output for the two readers on the right, both plug in to the adder. The order you plug them in does not matter.
I know it may be a little hard to see. To help clarify, all of the outputs from the registry plug into all of the input slots for both input selctors.
Some of the slots are left unconnected on purpose, this is what it should look like when it tries to save.