function dol()

if turtle.detectDown() == true and not turtle.digDown() then
print("nie da sie")
powrot()

else
print("da sie")
turtle.digDown()
turtle.down()
end
end

function powrot()

while  turtle.detectUp() == false do
print("wracam")
turtle.up()
end
end

function rozladunek()
turtle.select(12)
if turtle.getItemCount(12)  >= 1 then



 turtle.select(14)
 turtle.placeUp()
 turtle.select(1)
 turtle.dropUp()
  turtle.select(2)
 turtle.dropUp()
  turtle.select(3)
 turtle.dropUp()
  turtle.select(4)
 turtle.dropUp()
  turtle.select(5)
 turtle.dropUp()
  turtle.select(6)
 turtle.dropUp()
  turtle.select(7)
 turtle.dropUp()
  turtle.select(8)
 turtle.dropUp()
  turtle.select(9)
 turtle.dropUp()
  turtle.select(10)
 turtle.dropUp()
  turtle.select(11)
 turtle.dropUp()
  turtle.select(12)
 turtle.dropUp()
 turtle.select(14)
 turtle.digUp()

end
end








function ruch()
turtle.select(16)
if  turtle.compareUp() then
turtle.forward()
turtle.turnLeft()
turtle.turnLeft()
turtle.select(15)
turtle.place()
turtle.turnLeft()
turtle.turnLeft()
end
end

function sktret()
turtle.select(16)
print("nawracam")
if turtle.compareUp() and turtle.compare() then
turtle.turnRight()
end
end

function main()
while true do
ruch()
sktret()
dol()
rozladunek()
end
end
return main()