farming

width=9
length=8


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

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

left=true
for y = 0, width, 1 do
    for x = 0, length, 1 do
        turtle.forward()
    end
    if(left) then turnLeft() end
    if(left == false) then turnRight() end
    if(left) then
        left = false
    else
        left = true
    end
end