sposta

-- vai avanti fino al blocco
-- al blocco gira a sinistra
-- turna indietro

function vaiAvanti()
    for i = 1,3 do
        turtle.select(i)
        turtle.suck()
    end
    if turtle.getItemCount(1) > 0 then
        turtle.turnLeft()
        turtle.turnLeft()
        while not turtle.detect() do
            turtle.forward()
            if turtle.detect() then
                turtle.turnLeft()
                while not turtle.detect() do
                    turtle.forward()
                    if turtle.detect() then
                        turtle.select(1)
                        turtle.drop()
                        turtle.select(2)
                        turtle.drop()
                        turtle.select(3)
                        turtle.drop()
                        turtle.turnRight()
                        turtle.turnRight()
                        while not turtle.detect() do
                            turtle.forward()
                            if turtle.detect() then
                                turtle.turnRight()
                                while not turtle.detect() do
                                    turtle.forward()
                                end
                            end
                        end
                    end
                end
            end
        end
    end

end
while true do
    vaiAvanti()
end