term.clear()
print('Welcome to the Obsidian Miner 2000')
print('Place an empty bucket in the first slot. This will be used by the turtle to refuel itself.')
print('It will finish a row, and turn to the right one. Place the turtle correctly.')
print('How far do you want it to go per row? [It will do 4 rows]')
length = read()

function RotationRight()
	for i = 1,length do
		turtle.placeDown()
		turtle.refuel()
		turtle.dig()
		turtle.forward()
	end
	turtle.turnRight()
	turtle.dig()
	turtle.forward()
	turtle.turnRight()
end

function RotationLeft()
	for i = 1,length do
		turtle.placeDown()
		turtle.refuel()
		turtle.dig()
		turtle.forward()
	end
	turtle.turnLeft()
	turtle.dig()
	turtle.forward()
	turtle.turnLeft()
end

function Platform()
	turtle.up()
	turtle.select(2)
	turtle.placeDown()
	turtle.select(1)
end

turtle.digDown()
turtle.down()

RotationRight()
RotationLeft()
RotationRight()
RotationLeft()
Platform()

term.clear()
print('Thank you for using the Obsidian Miner 2000!')