farm

function cutTree()
if turtle.detect() then

local h = 0
turtle.digDown()
turtle.down()
while turtle.detect() do
turtle.dig()
turtle.digUp()
turtle.up()
h = h + 1
end
while h > 0 do
turtle.digDown()
turtle.down()
h = h - 1
end
turtle.select(16)
turtle.place()
turtle.up()

else

turtle.digDown()
turtle.down()
if turtle.detect() then
turtle.select(15)
turtle.place()
end
turtle.digUp()
turtle.up()

end

end

while true do
for n = 1,3 do
cutTree()
turtle.turnRight()
for n =1,4 do
turtle.forward()
end
turtle.turnLeft()
end

turtle.turnLeft()
for n=1,12 do
turtle.forward()
end
turtle.turnRight()
sleep(60)
end