From 2902da87671c100ce2fefa511d1f03bc0f059014 Mon Sep 17 00:00:00 2001
From: Alpha Chen <alpha.chen@gmail.com>
Date: Thu, 17 Dec 2015 21:16:41 -0800
Subject: [PATCH] Day 18.1

---
 ruby/day_18.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ruby/day_18.rb b/ruby/day_18.rb
index f5e58ef..0be0b52 100644
--- a/ruby/day_18.rb
+++ b/ruby/day_18.rb
@@ -5,6 +5,10 @@ class Grid < Struct.new(:state)
       neighbors = self.neighbors(x,y).count(?#)
       (light == ?#) ? (([2,3].include?(neighbors)) ? ?# : ?.) : ((neighbors == 3) ? ?# : ?. )
     }}
+    state_[0][0] = ?#
+    state_[0][99] = ?#
+    state_[99][0] = ?#
+    state_[99][99] = ?#
     Grid.new(state_)
   end