m

function turtle.move()
if turtle.getFuelLevel() < 10 then
turtle.select(1)
turtle.digUp()
turtle.placeUp()
turtle.select(2)
turtle.suckUp()
turtle.refuel()
turtle.select(1)
turtle.digUp()
end
end
local u = turtle.up
local d = turtle.down
local f = turtle.forward
local b = turtle.back
function turtle.up() turtle.move() u() end
function turtle.down() turtle.move() d() end
function turtle.forward() turtle.move() f() end
function turtle.back() turtle.move() b() end
while 1 do
turtle.forward()
turtle.up()
turtle.back()
turtle.down()
end