local torch = turtle.getItemCount(1)
local dist = 0

function digforw()
if turtle.detect() then
turtle.dig()
end
turtle.forward()
dump()
turtle.digUp()
dump()
dist = dist + 1
end

function digforl()
turtle.turnLeft()
turtle.up()
for i=1,6,1 do
if turtle.detect() then
turtle.dig()
end
turtle.forward()
end
turtle.turnLeft()
turtle.turnLeft()
for i=1,7,1 do
turtle.forward()
end
turtle.down()
turtle.turnLeft()
end

function digforr()
turtle.turnRight()
turtle.up()
for i=1,6,1 do
if turtle.detect() then
turtle.dig()
end
turtle.forward()
end
turtle.turnLeft()
turtle.turnLeft()
for i=1,7,1 do
turtle.forward()
end
turtle.down()
turtle.turnRight()
end

local fuel = turtle.getFuelLevel()
function run()
if fuel < 1 then
	for i = 2, 16 do -- loop through the slots
	turtle.select(i) -- change to the slot
	if turtle.refuel(0) then -- if it's valid fuel
		local halfStack = math.ceil(turtle.getItemCount(i)/2) -- work out half of the amount of fuel in the slot
		turtle.refuel(halfStack) -- consume half the stack as fuel
	end
end
end
turtle.select(1)
digforw()
digforw()
digforw()
digforw()
digforw()
digforw()
digforw()
digforw()
digforw()
digforw()
print("dig-l")
digforl()
end

run()