local args = {...}
local n = args[1]

local gold = "minecraft:gold_ore" --金
local iron = "minecraft:iron_ore" --鉄
local coal = "minecraft:coal_ore" --石炭
local redstone = "minecraft:redstone_ore" --レッドストーン
local lapis = "minecraft:lapis_ore" --ラピスラズリ
local diamond = "minecraft:diamond_ore" --ダイヤモンド

turtle.select(1)
turtle.refuel()

local count = 0

for i = 1, n do
  local result = turtle.digDown()
  if result == true then
    count = count + 1
  else
    break
  end
 turtle.down()

 for i = 1, 4 do
  local success, data = turtle.inspect()

  if data["name"] == gold or
     data["name"] == iron or
     data["name"] == coal or
     data["name"] == redstone or
     data["name"] == lapis or
     data["name"] == diamond then
    turtle.dig()
    turtle.forward()

    for i = 1, 4 do
      if data["name"] == gold or
       data["name"] == iron or
       data["name"] == coal or
       data["name"] == redstone or
       data["name"] == lapis or
       data["name"] == diamond then
       turtle.dig()
      end
      turtle.back()
    end
    turtle.back()
  end
  turtle.turnLeft()
  end
end

local up = count - 1

for n = 1, up do
  turtle.up()
end

for j = 1, 4 do
  turtle.place()
  turtle.turnLeft()
end

turtle.up()
turtle.placeDown()

for i = 1, 16 do
  turtle.select(i)
  turtle.drop()
end