autono

turtle.select(2)
turtle.refuel()
turtle.select(1)
while true do
function check() if turtle.select(1) == turtle.compareDown() then return true else return false end
end

function direction()
turtle.forward()

if check() == true then
 turtle.back()
 return 1
else
turtle.back()
turtle.turnLeft()
turtle.forward()
end
if check() == true then
 turtle.back()
 turtle.turnRight()
 return 2
else
turtle.back()
turtle.turnRight()
turtle.turnRight()
turtle.forward()
end
 if check() == true then
  turtle.back()
  turtle.turnLeft()
  return 3
 end
end


tampon = direction()

if(tampon == 1) then turtle.forward()
os.sleep(0.5)
elseif(tampon == 2) then turtle.turnLeft()
turtle.forward()
os.sleep(0.5)
elseif(tampon == 3) then turtle.turnRight()
turtle.forward()
os.sleep(0.5)
end
end