View difference between Paste ID: YZDUefpe and PrigiMmb

 -- os.shutdown()
 os.sleep(1200)
-local fieldSize = 16
+local fieldSize = 10
 local isOdd = math.ceil(fieldSize/2) ~= (fieldSize/2)
 turtle.select(16)
 for i = 1,fieldSize+1,1 do
     turtle.forward()
 end
 for j = 1,4,1 do
     os.sleep(1)
     turtle.turnLeft()
     for k = 1,fieldSize+1,1 do
         turtle.forward()
     end
     if(not turtle.compareUp()) then
         break
     end
 end
 
 -- if we need more fuel for this pass
 --TODO update for odd
 if (isOdd and turtle.getFuelLevel() < 2*((fieldSize * fieldSize) + 2*fieldSize)) or (turtle.getFuelLevel() < 2*((fieldSize * fieldSize) + fieldSize)) then
     turtle.select(2)
     turtle.suckUp()
     turtle.refuel()
 end
 turtle.select(1)
 -- face outward
 turtle.turnLeft()
 turtle.turnLeft()
 -- loop over the rows
 local turnRight = true
 for x = 1,fieldSize,1 do
     -- loop over the columns (except the last one)
     for y = 1,fieldSize - 1,1 do
         turtle.digDown()
         turtle.placeDown()
         turtle.forward()
     end
     -- harvest the last one
     turtle.digDown()
     turtle.placeDown()
     -- all but the last row
     if x ~= fieldSize then
         -- turn right or left and change column
         if turnRight == true then
             turtle.turnRight()
             turtle.forward()
             turtle.turnRight()
             turnRight = false
         else
             turtle.turnLeft()
             turtle.forward()
             turtle.turnLeft()
             turnRight = true
         end
     end
 end
 
 -- face the starting point
 turtle.turnRight()
 -- go back over the row if there was an odd size
 if isOdd then
     turtle.turnRight()
     for back = 1,(fieldSize-1),1 do
         turtle.forward()
     end
     turtle.turnRight()
 end
 -- go back down the column
 for back = 1,(fieldSize-1),1 do
     turtle.forward()
 end
 -- face the chest
 turtle.turnLeft()
 --empty everything into the chest
 for slot = 2,16,1 do
     turtle.select(slot)
     -- we keep trying to dump inventory
     while turtle.getItemCount(slot) ~= 0 do
         if not turtle.drop() then
             -- if the target inventory was full, we'll try it again later
             os.sleep(10)
         end
     end
 end
 -- reset to the starting conditions
 turtle.select(1)
 -- go again in 60 minutes
 os.sleep(2400)
 os.reboot()