var Game = function(boardString){
  this.board = '';
  if (arguments.length === 1) {
    this.board = boardString;
  } else {
    function random() {
      return Math.floor(Math.random() * 10 + 6);
    };
    var firstTwo = random();
    var secondTwo = random();
    for ( var i = 0; i < 16; i++ ) {
      if (i === firstTwo || i === secondTwo) {
        this.board += '2';
      } else {
        this.board += '0';
      };
    };
  }
};

Game.prototype.toString = function() {
  this.board.
};

@@ -27,16 +27,34 @@
 tring)%7B%0A
+  var board = '';%0A
   this.b
@@ -113,16 +113,29 @@
 board = 
+this.toArray(
 boardStr
@@ -137,16 +137,17 @@
 rdString
+)
 ;%0A  %7D el
@@ -258,25 +258,17 @@
 random()
-;%0A    var
+,
  secondT
@@ -366,37 +366,32 @@
 dTwo) %7B%0A        
-this.
 board += '2';%0A  
@@ -407,29 +407,24 @@
 e %7B%0A        
-this.
 board += '0'
@@ -441,16 +441,54 @@
 %0A    %7D;%0A
+    this.board = this.toArray(board);%0A
   %7D%0A%7D;%0A%0A
@@ -505,17 +505,24 @@
 type
-.
+ = %7B%0A%0A  
 toString
  = f
@@ -517,18 +517,17 @@
 toString
- =
+:
  functio
@@ -538,19 +538,351 @@
 %7B%0A  
-this.board.%0A%7D;
+  for( var i = 0; i %3C 16; i += 4)%7B%0A      this.array = this.board.slice(0 + i, 4 + i)%0A      console.log(this.array)%0A    %7D%0A  %7D,%0A%0A  toArray: function(chars) %7B%0A    var boardArray = %5B%5D;%0A    for( var i = 0; i %3C 16; i += 4) %7B%0A      var subarray = chars.slice(0 + i, 4 + i);%0A      boardArray.push(subarray.split(''));%0A    %7D%0A    return boardArray;%0A  %7D%0A%7D;%0A
 %0A

Add toArray method