Cobblestone farm

--Chop
function chop()
turtle.select(1)
turtle.dig()
turtle.turnLeft()
turtle.turnRight()
turtle.dig()
turtle.turnLeft()
turtle.turnRight()
turtle.dig()
turtle.turnLeft()
turtle.turnRight()
turtle.dig()
turtle.turnLeft()
turtle.turnRight()
turtle.dig()
turtle.turnLeft()
turtle.turnRight()
turtle.dig()
turtle.turnLeft()
turtle.turnRight()
turtle.dig()
turtle.turnLeft()
turtle.turnRight()
turtle.dig()
turtle.turnLeft()
turtle.turnLeft()
turtle.drop()
turtle.turnRight()
turtle.turnRight()
end

--Refuel
function refuel()
turtle.select(3)
turtle.refuel(1)
end

while true do
chop()
refuel()
sleep(3)
os.queueEvent("Repeat")
os.pullEvent()
end