---
--- Created by yannb.
--- DateTime: 28/10/2021 22:50
---

function build_rows(steps)
    turtle.up()
    for _ = 1, steps, 1 do
        for _ = 1, 4, 1 do
            for _ = 1, 4, 1 do
                turtle.forward()
                turtle.placeDown()
            end
            turtle.forward()
            turtle.turnLeft()
        end
        turtle.up()
    end
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
    turtle.turnLeft()
    turtle.turnLeft()
    for _ = 1, steps - 1, 1 do
        turtle.down()
        turtle.dig()
    end
    turtle.down()
    turtle.dig()
    turtle.digDown()
    turtle.down()
    turtle.digDown()
    turtle.down()
    turtle.placeUp()
end

build_rows(4)