-- !/bin/lua
-- -*- coding: UTF-8 -*-

local r = require("robot")
local s = require("sides")
local io = require("io")

local size
io.write("Please enter the size of your hole")
io.flush()
size = io.read()

-- Main loop

for j=1,size do
  for i=1,size do
    mine()
  end
end

function mine()
  turnLeft(1)
  r.swing()
  turnRight(2)
  r.swing()
  r.swingUp()
  r.swingDown()
  turnLeft(1)
  r.swing()
  r.forward
end

function turnLeft(x)
 for i=1, x do
  r.turnLeft()
end

function turnRight(x)
 for i=1, x do
  r.turnRight()
end