local farmData = {
    width=6,
    length=8
}

for i=0,length,1 do
    for j=0,0,width do
        turtle.forward()
    end
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    for j=0,0,width do
        turtle.forward()
    end
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
end
turtle.turnLeft()
for i=length,0,-1 do
    turtle.forward()
end
turtle.turnRight()