zumanfang

function zumanfang(y)
        if turtle.getFuelLevel() < 1 then
                turtle.refuel(1)
        end
        weg= ((y/2)-1)
        turtle.turnRight()
        z=weg
        while z~=0 do
                turtle.forward()
                z=z-1
        end
        turtle.turnRight()
        z=weg
        while z~=0 do
                turtle.forward()
                z=z-1
        end
        turtle.turnRight()
        turtle.turnRight()
end

local arg = {...}
x = tonumber(arg[1])
weg=x
zumanfang(weg)