lol12

local mined = 0

function back()
 turtle.turnRight()
 turtle.turnRight()
 turtle.up()
 for i = 1,mined do
  for i = 1,10 do
   turtle.forward()
  end
 end
 turtle.turnLeft()
 turtle.turnLeft()
 for i = 1,ypos do
  turtle.up()
 end
end

function torch()
 turtle.select(1)
 turtle.turnRight()
 turtle.turnRight()
 turtle.place()
 turtle.turnLeft()
 turtle.turnLeft()
end

function mine()
 turtle.dig()
 turtle.forward()
 turtle.digUp()
 mined = mined + 1
end

function checkinv()
 if turtle.getItemCount(16) > 1 then
  back()
 end
end

print("Put some torches in my first slot, please.")
sleep(3)
--print("On which Y level are we?")
--local input = read()
--local ypos = input-12
--write("OK, then I will go: ")
--write(ypos)
--write(" blocks down.")
print("Starting...")
--for i = 1,ypos do
-- turtle.digDown()
-- turtle.down()
--end
--turtle.up()
while true do
 for i = 1,10 do
  mine()
 end
 torch()
 if turtle.getItemCount(16) > 1 then
  back()
 end
end