tunnelDi

F1 = turtle.getFuelLevel()
if F1 < 200 then
turtle.select(1)
turtle.refuel(4)
end
function DigTunnel(Int)

while Int > 0 do
torch = 0
if turtle.detectUp() then
    turtle.digUp()
end

if turtle.detectDown() then
    turtle.digDown()
end
while turtle.detect() do
    turtle.dig()
    sleep(0.7)
end

if torch == 8 then
    turtle.select(2)
    turtle.placeDown()
    torch = 0
end

turtle.forward()
torch = torch + 1
Int = Int - 1

end
end

DigTunnel(48)
turtle.turnRight()
DigTunnel(3)
turtle.turnRight()
DigTunnel(48)