-- # One row #
if turtle.detectDown() then
    turtle.up()
end

local args = { … }
local dist = tonumber(args[1])
for i=1,dist,1 do
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.digDown()
end
-- # Return, placing torches #
    turtle.select(8)

        for i=1, dist do
            turtle.back()

            if i % 5 == 0 then
                turtle.place()
        end

            turtle.turnLeft()
            turtle.forward()
            turtle.forward()
            turtle.forward()
            turtle.turnRight()
            end
-- # Full inventory #
    turtle.select(9)
        if turtle.getItemCount > 0 then
            turtle.select(7)
                turtle.place()
                    turtle.select(1)
                    turtle.drop()
                    turtle.select(2)
                    turtle.drop()
                    turtle.select(3)
                    turtle.drop()
                    turtle.select(4)
                    turtle.drop()
                    turtle.select(5)
                    turtle.drop()
                    turtle.select(6)
                    turtle.drop()
            turtle.select(7)
                turtle.dig()
            end
end