View difference between Paste ID: kxk17a1e and cyF9MzN8

 local p = peripheral.wrap("left")
 
 p.activate()
 
 function waitForMagnet()
 	while true do
 		local x,y,z = p.getDistanceToTarget()
-    while {p.getDistanceToTarget()} ~= {0,-.5,0}  do end
+		if x,y,z == 0,-0.5,0 then
 			break
 		end
-    while {p.getDistanceToTarget()} ~= {0,-.5,0} do end
+		sleep(.2)
 	end
 end
 
 for x = 1,5 do
   for z = 1,3 do
     p.setTarget(x,0,z-2)
     waitForMagnet()
 	p.toggle()
     while not p.isGrabbing() do end
     p.setTarget(x,3,z-2)
     waitForMagnet()
     p.toggle()
     while not p.isGrabbing() do end
   end
 end
 
 p.deactivate()