#!/usr/bin/env luajit
require("utils")

local grid = {}
for line in io.lines(arg[3]) do
	local row = {}
	for char in chars(line) do
		table.insert(row, tonumber(char))
	end
	table.insert(grid, row)
end

function printgrid()
	for r, row in pairs(grid) do
		for c, cell in pairs(row) do
			if cell > 9 then
				io.write('*')
			else
				io.write(cell)
			end
		end
		io.write('\n')
	end
end

printgrid()

function flash(grid, r, c)
	grid[r][c] = grid[r][c] + 1
	if grid[r][c] == 10 then 
		for dr = -1, 1 do if 0 < r + dr and r + dr <= #grid then
			for dc = -1, 1 do if 0 < c + dc and c + dc <= #grid[r] then
				flash(grid, r + dr, c + dc)
			end end
		end end
	end
end

local flashes = 0
for step = 1, 100 do
	for r, row in pairs(grid) do
		for c, cell in pairs(row) do
			flash(grid, r, c)
		end
	end
	for r, row in pairs(grid) do
		for c, cell in pairs(row) do
			if cell > 9 then
				grid[r][c] = 0
				flashes = flashes + 1
			end
		end
	end
	print(flashes)
	printgrid()
end