adv

local function dig1()
if turtle.detect() then
turtle.dig()
dig1()
else
turtle.turnLeft()
dig5()
end

local function dig2()
if turtle.detect() then
turtle.dig()
dig2()
else
turtle.turnLeft()
turtle.turnLeft()
dig1()
end
local function dig3()
if turtle.detectUp() then
turtle.digUp()
dig3()
else
turtle.turnleft()
dig2()
end
local function dig4()
if turtle.detectDown() then
turtle.digDown()
dig4()
else
dig3()
end
local function dig5()
if turtle.detect() then
turtle.dig()
 else
 turtle.forward()
 dig4()
end
end
end
end
end
end
dig5()