farm

while true do
 turtle.forward()
 local success, data = turtle.inspectDown()
 if data.metadata == 7 then
  turtle.digDown()
  turtle.suckDown()
  turtle.select(2)
 end
 if turtle.detectDown() == false then
  turtle.placeDown()
 end
 if turtle.detect() == true then
  turtle.turnRight()
  turtle.forward()
  if turtle.detect() == true then
   turtle.select(3)
   turtle.drop()
   turtle.select(2)
  end
  turtle.turnRight()
 end
end