Have the last detector at the top right at the very end of the wire. Have the ball dropper next to the steam detector at the VERY TOP where i said you would add a detector there. Put next to it. Wait...
Have a fan right on top of the power botton facing right. At the very end of that wire, have two fans facing right too at the very end of that wire. Have a steam detector next to the 2 detectors at the VERY TOP. That detector should be on the other wire. Wait...
Have two fans facing right on the far left wire on the very end of it. Have the ball dropper lining up with the fans facing LEFT. It should be at the very top wire. Wait...