inp = 0
local main = 1
if turtle.getItemDetail(16) == false then
    print("No chest in slot 16")
else
    print("Chest detected")
    chest = turtle.getItemDetail(16)["name"]
end
local function aboutface()
turtle.turnLeft()
turtle.turnLeft()
end

local function placetorch()
    if turtle.getItemCount(15) > 0 then
        aboutface()
        turtle.select(15)
        turtle.place()
        aboutface()
        turtle.select(1)
    else
        print("No torches")
    end
end



local function itemdump()
    if turtle.getItemCount(14) > 0 or main == 0 then
    turtle.up()
    aboutface()
    local b, t =turtle.inspectDown()
      while t.name ~= chest do
      if t.name ~= chest then
       turtle.forward()
       end
      b,t = turtle.inspectDown()
      end
    for x=1,14 do
    turtle.select(x)
    turtle.dropDown()
    end
    turtle.select(1)
    if main > 0 then
    aboutface()
    while turtle.inspect() == false do
    turtle.forward()
    end
    turtle.digDown()
    turtle.down()
    end
    end
end
local function digcheck()
    if turtle.inspect() then
        turtle.dig()
        digcheck()
    end
end

local function digsides()
    turtle.turnRight()
    digcheck()
    aboutface()
    digcheck()
    turtle.turnRight()
end

local function digwall()
    for x=1,2 do
        turtle.up()
    end
    digcheck()
    turtle.forward()
    digsides()
    for x = 1, 2 do
        turtle.digDown()
        turtle.down()
        digsides()
    end
end

inp = io.read()
for x = 1,inp do
  digwall()
  print(x)
  if (x%7) == 0 then
    placetorch()
  else if x == 1 then
	aboutface()
    turtle.select(16)
    turtle.place()
    aboutface()
  end
  itemdump()
end
main = 0
itemdump()
print("Mining done")