/**** 
* Classes
****/ 
var QRCode = Container.expand(function (string) {
	var self = Container.call(this);
	// Initialize QR code properties
	self.pixelSize = 32;
	self.modules = [];
	self.string = string;
	self.countBitLength = 10;
	self.rawData = "";
	// Block = 8 bits
	self.maxDataBlock = 19;
	self.maxErrorBlock = 7;
	self.placePixel = function (x, y) {
		var pixel = self.attachAsset('QRCodePixel', {
			x: x * self.pixelSize,
			y: y * self.pixelSize,
			scaleX: self.pixelSize,
			scaleY: self.pixelSize,
			tint: 0
		});
		self.modules[y] = [];
		self.modules[y][x] = 1;
	};
	self.createPattern = function () {
		var size = 21; // Standard QR code size
		self.attachAsset('QRCodePositionL', {
			x: 0,
			y: 0
		});
		self.attachAsset('QRCodePositionR', {
			x: self.pixelSize * 21,
			y: 0,
			anchorX: 1
		});
		self.attachAsset('QRCodePositionB', {
			x: 0,
			y: self.pixelSize * 21,
			anchorY: 1
		});
		self.placePixel(8, size - 8);
		// timing pattern
		for (var i = 8; i <= size - 8; i += 2) {
			self.placePixel(i, 6);
			self.placePixel(6, i);
		}
		// Draw data in zigzag pattern
		var size = 21;
		var bitIndex = 0;
		var direction = -1; // -1 for up, 1 for down
		// Start from bottom-right corner, moving left by 2 columns at a time
		for (var rightCol = size - 1; rightCol >= 1; rightCol -= 2) {
			// Skip timing column
			if (rightCol === 6) rightCol = 5;
			// Process two columns at a time
			for (var vert = 0; vert < size; vert++) {
				for (var col = 0; col < 2; col++) {
					var x = rightCol - col;
					var y = direction === -1 ? size - 1 - vert : vert;
					// Skip if position is already occupied (timing patterns, position markers)
					if (!self.modules[y] || !self.modules[y][x]) {
						if (bitIndex < self.rawData.length) {
							var bit = self.rawData.charAt(bitIndex);
							if (bit === '1') {
								self.placePixel(x, y);
							}
							bitIndex++;
						}
					}
				}
			}
			// Flip direction for next column pair
			direction = -direction;
		}
	};
	// Encode numeric data method
	self.encodeNumeric = function () {
		// Split into groups of 3 digits
		var groups = [];
		for (var i = 0; i < self.string.length; i += 3) {
			var group = self.string.substr(i, Math.min(3, self.string.length - i));
			groups.push(group);
		}
		console.log("Groups of 3: " + groups.join(", "));
		// Convert each group to binary
		var binaryGroups = [];
		for (var j = 0; j < groups.length; j++) {
			var num = parseInt(groups[j], 10);
			var bitLength;
			// Determine bit length based on group size
			if (groups[j].length === 3) {
				bitLength = 10; // 3 digits need 10 bits (0-999)
			} else if (groups[j].length === 2) {
				bitLength = 7; // 2 digits need 7 bits (0-99)
			} else {
				bitLength = 4; // 1 digit needs 4 bits (0-9)
			}
			// Convert to binary with proper padding
			var binary = num.toString(2);
			while (binary.length < bitLength) {
				binary = "0" + binary;
			}
			binaryGroups.push(binary);
			console.log("Group '" + groups[j] + "' -> " + num + " -> " + binary + " (" + bitLength + " bits)");
		}
		console.log("Message Binary: " + binaryGroups.join(" ") + " (" + binaryGroups.join("").length + " bits)");
		self.rawData += "0001";
		var binary = string.length.toString(2);
		// Convert to binary with proper padding
		while (binary.length < self.countBitLength) {
			binary = "0" + binary;
		}
		self.rawData += binary;
		self.rawData += binaryGroups.join("");
		console.log("rawData: " + self.rawData + " (" + self.rawData.length + " bits)");
		self.rawData += "0000"; // Terminator
	};
	self.encodeNumeric();
	self.createPattern();
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xFFFFFF
});

/**** 
* Game Code
****/ 
// Create QR code container
var qrCode = new QRCode("8675309");
qrCode.x = (2048 - qrCode.width) / 2;
qrCode.y = (2732 - qrCode.height) / 2;
game.addChild(qrCode);

===================================================================
--- original.js
+++ change.js
@@ -6,8 +6,13 @@
 	// Initialize QR code properties
 	self.pixelSize = 32;
 	self.modules = [];
 	self.string = string;
+	self.countBitLength = 10;
+	self.rawData = "";
+	// Block = 8 bits
+	self.maxDataBlock = 19;
+	self.maxErrorBlock = 7;
 	self.placePixel = function (x, y) {
 		var pixel = self.attachAsset('QRCodePixel', {
 			x: x * self.pixelSize,
 			y: y * self.pixelSize,
@@ -33,19 +38,45 @@
 			x: 0,
 			y: self.pixelSize * 21,
 			anchorY: 1
 		});
-		self.placePixel(size - 8, size - 2); // Numeric encoding mode
 		self.placePixel(8, size - 8);
 		// timing pattern
 		for (var i = 8; i <= size - 8; i += 2) {
 			self.placePixel(i, 6);
 			self.placePixel(6, i);
 		}
+		// Draw data in zigzag pattern
+		var size = 21;
+		var bitIndex = 0;
+		var direction = -1; // -1 for up, 1 for down
+		// Start from bottom-right corner, moving left by 2 columns at a time
+		for (var rightCol = size - 1; rightCol >= 1; rightCol -= 2) {
+			// Skip timing column
+			if (rightCol === 6) rightCol = 5;
+			// Process two columns at a time
+			for (var vert = 0; vert < size; vert++) {
+				for (var col = 0; col < 2; col++) {
+					var x = rightCol - col;
+					var y = direction === -1 ? size - 1 - vert : vert;
+					// Skip if position is already occupied (timing patterns, position markers)
+					if (!self.modules[y] || !self.modules[y][x]) {
+						if (bitIndex < self.rawData.length) {
+							var bit = self.rawData.charAt(bitIndex);
+							if (bit === '1') {
+								self.placePixel(x, y);
+							}
+							bitIndex++;
+						}
+					}
+				}
+			}
+			// Flip direction for next column pair
+			direction = -direction;
+		}
 	};
 	// Encode numeric data method
 	self.encodeNumeric = function () {
-		console.log("Encoding numeric data: " + self.string);
 		// Split into groups of 3 digits
 		var groups = [];
 		for (var i = 0; i < self.string.length; i += 3) {
 			var group = self.string.substr(i, Math.min(3, self.string.length - i));
@@ -72,13 +103,21 @@
 			}
 			binaryGroups.push(binary);
 			console.log("Group '" + groups[j] + "' -> " + num + " -> " + binary + " (" + bitLength + " bits)");
 		}
-		console.log("Binary representation: " + binaryGroups.join(" "));
-		return binaryGroups;
+		console.log("Message Binary: " + binaryGroups.join(" ") + " (" + binaryGroups.join("").length + " bits)");
+		self.rawData += "0001";
+		var binary = string.length.toString(2);
+		// Convert to binary with proper padding
+		while (binary.length < self.countBitLength) {
+			binary = "0" + binary;
+		}
+		self.rawData += binary;
+		self.rawData += binaryGroups.join("");
+		console.log("rawData: " + self.rawData + " (" + self.rawData.length + " bits)");
+		self.rawData += "0000"; // Terminator
 	};
 	self.encodeNumeric();
-	// Initialize the pattern
 	self.createPattern();
 	return self;
 });