GOGET

args = {...}

max = 1

if tonumber(args[1]) ~= nil
 max = tonumber(args[1])
end

while not turtle.detectUp() do
 turtle.up()
end

turtle.digUp()

for j = i,max do
 turtle.up()
 for i=1,3 do
  turtle.turnRight()
  turtle.dig()
 end
end