CC dig

-- Dig
-- by SukaiPoppuGo
--
-- As tunnel program, digging 4 blocks high gallery and way back
--

local arg = {...}

shell.run("tunnel", unpack(arg))

for i=1,2 do
    turtle.digDown()
    turtle.down()
    turtle.turnLeft()
end

shell.run("tunnel", unpack(arg))