farm

function farm()
for m = 1,7 do
  turtle.turnLeft()
   turtle.dig()
   turtle.turnRight()
  turtle.forward()
 end

while true do
  farm()
for i = 1,16 do
  turtle.select(i)
  turtle.dropDown()
 end
  turtle.turnRight()
turtle.turnRight()
  farm()

for i = 1,16 do
  turtle.select(i)
  turtle.dropDown()
 end
end