//initialize game board
var Game = function(count){
  this.gameBoard = init(count);

  function init(count) {
    var grid = [];
    for (var i=0; i<count; i++){
      var row = [];
      switch(grid.length) {
        case 3:
          var toAdd = 12;
          break;
        case 2:
          var toAdd = 8;
          break;
        case 1:
          var toAdd = 4;
          break;
        default:
          var toAdd = 0;
      }
      for (var j=0; j<count; j++){
        row.push(j+toAdd+1);
        if(j==count-1){
          grid.push(row);
        }
      }
    }
    return grid;
  }
}

var game = new Game(4);
add logic for 1-16 number placement in initial puzzle game