gistfile1.js

					var index = null;
					var capture;
					if(minY != minGroupY) {
						for (index = 0; index < props.cols - 1; index++) {
							if (props.colYs[index] == props.colYs[index + 1]) {
								capture = index;
								break;
							}
						}
					}

					// capture is null, when index is 2

					instance._masonryPlaceBrick($this, groupY, index);