===================================================================
--- original.js
+++ change.js
@@ -98,8 +98,9 @@
 	});
 	self.gridX = 0;
 	self.gridY = 0;
 	self.speed = 10;
+	self.outlier = false;
 	self.down = function (x, y, obj) {
 		//console.log(x, y, obj);
 		colorBoxClicked(self);
 	};
@@ -368,15 +369,112 @@
 		t[i].remove(i * 30);
 	}
 }
 function placeOutliers() {
+	// Determine colors left on the board to choose from.
 	var colorsPresent = [];
 	var gridSize = currentLevel.length;
 	for (var i = 0; i < gridSize; i++) {
-		for (var j = 0; j < gridSize; j++) {}
+		for (var j = 0; j < gridSize; j++) {
+			var t = currentLevel[i][j];
+			if (t != 0 && !colorsPresent.includes(t)) {
+				colorsPresent.push(t);
+			}
+		}
 	}
+	console.log('Game still includes these colors:', colorsPresent);
 	// Determine what rows and cols contain colorboxes.
-	// Determine amount of outliers to place
-	// Determine colors left on the board to choose from, and set outlier colors
+	// Horizontal rows
+	var availableRows = [];
+	for (var i = 0; i < gridSize; i++) {
+		if (currentLevel[i].some(checkNonZero)) {
+			console.log('there are non-zero values in row:', i);
+			availableRows.push(i);
+		}
+	}
+	// Vertical columns
+	var availableCols = [];
+	var cols = rotateMatrix90C(currentLevel);
+	for (var i = 0; i < gridSize; i++) {
+		if (cols[i].some(checkNonZero)) {
+			console.log('there are non-zero values in col:', i);
+			availableCols.push(i);
+		}
+	}
+	// If no available rows or cols left, level cleared!
+	var n = availableRows.length + availableCols.length;
+	console.log(n);
+	if (n === 0) {
+		console.log('level cleared. TODO: write level cleared function.');
+	} else {
+		// Place an outlier tile at 50% (and minimum one) of the available positions.
+		var placedAtLeastOne = false;
+		console.log('ac:', availableCols);
+		availableCols = shuffleArray(availableCols);
+		availableRows = shuffleArray(availableRows);
+		console.log('ac:', availableCols);
+		for (var i = 0; i < availableRows; i++) {
+			if (Math.random() < 0.5 || !placedAtLeastOne) {
+				// place it, either side will do.
+				var cIndex = colorsPresent[Math.floor(Math.random() * colorsPresent.length)];
+				var b = new ColorBox(cIndex);
+				b.outlier = true;
+				cBox.width = cBox.height = tileSize;
+				if (Math.random() < 0.5) {
+					b.x = -1000;
+					b.y = 0; // determine this
+					b.gridX = 0; // determine this
+					b.gridY = i;
+				} else {
+					b.x = 1000;
+					b.y = 0; // determine this
+					b.gridX = 0; // determine this
+					b.gridY = i;
+				}
+				// Tween into place.
+				levelContainer.addChild(b);
+				console.log('levelContainer is now:', levelContainer);
+				placedAtLeastOne = true;
+			}
+		}
+		for (var i = 0; i < availableCols; i++) {
+			if (Math.random() < 0.5) {
+				// place it, either side will do
+			} else {}
+		}
+	}
 	// And place them. (Animate them in from sides.) 
 }
+function shuffleArray(arr) {
+	var j, x, index;
+	for (index = arr.length - 1; index > 0; index--) {
+		j = Math.floor(Math.random() * (index + 1));
+		x = arr[index];
+		arr[index] = arr[j];
+		arr[j] = x;
+	}
+	return arr;
+}
+function checkNonZero(i) {
+	return i != 0;
+}
+function rotateMatrix90C(source) {
+	// get the dimensions of the source matrix
+	var m = source.length;
+	var n = source[0].length;
+	// create a new NxM destination array
+	var destination = new Array(n);
+	for (var i = 0; i < n; i++) {
+		destination[i] = new Array(m);
+	}
+	// start copying from source into destination
+	for (var i = 0; i < n; i++) {
+		for (var j = 0; j < m; j++) {
+			destination[i][j] = source[m - j - 1][i];
+		}
+	}
+	// return the destination matrix
+	return destination;
+}
+;
+placeOutliers();
 function moveIn() {}
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