build

x = 10
y = 10
i = 0
ii = 0

function build()
    while(i < x) do
        while(ii < y) do
            ii = ii + 1
            forward()
        end
        i = i + 1
        if (i % 2 == 0) then
            turnLeft()
        else
            turnRight()
        end
        ii = 0
    end
end


function forward()
    turtle.forward()
    turtle.placeDown()
end

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

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



build()