local FIELDSIZE = 6


for i = 1, 16 do
  turtle.select(i)
  if turtle.refuel(0) then
        print("Slot "..i.." is valid fuel")
        turtle.refuel()
  end
end


function placeLandMark()
	turtle.forward()
	turtle.select(5)
	turtle.placeDown()
	turtle.forward()

	turtle.turnLeft()
	turtle.turnLeft()

	turtle.select(2)
	turtle.place()

	turtle.turnLeft()
	turtle.turnLeft()
end

function forward(count)
	for i = 1, count do
	turtle.forward()
	end
end

function reposition()
	turtle.turnLeft()
	turtle.forward()
	turtle.turnLeft()
	turtle.forward()
	turtle.turnRight()
end

function placeQuary()
	turtle.select(3)
	turtle.place()
end

function nextRun()
	turtle.turnRight()
	turtle.forward()
	turtle.forward()
	turtle.turnLeft()
	turtle.forward()
	turtle.turnRight()
	turtle.turnRight()
end


function PLACE()
	placeLandMark()

	forward(count)
	placeLandMark()
	reposition()

	forward(count)
	placeLandMark()
	reposition()

	forward(count)
	placeLandMark()
	reposition()

	forward(count)
	placeQuary()
end

PLACE()
nextRun()
PLACE()
nextRun()
PLACE()
nextRun()
PLACE()