DigU2

local count = 0
term.write("How many blocks forward? :")
count = read()

function Up()
	for i = 1, count do
		turtle.dig()
		turtle.digUp()
		turtle.up()
		turtle.dig()
		turtle.forward()
		turtle.dig()
		turtle.forward()
		turtle.digDown()
	end
end

Up()
print("Job's Done!")