===================================================================
--- original.js
+++ change.js
@@ -1340,13 +1340,8 @@
 		var result = self.canReachEnd(startX, startY, visited);
 		log("Path check complete. Result:", result);
 		log("Visited positions:", visited);
 		log("=== Win Condition Check Complete ===");
-		if (typeof JSON !== 'undefined' && JSON.stringify) {
-			console.log("Path check complete. Result:", JSON.stringify(result, null, 2));
-		} else {
-			console.log("JSON.stringify is not available.");
-		}
 		return result;
 	};
 	self.canReachEnd = function (x, y, visited) {
 		log("Checking position:", x, y);
@@ -1452,40 +1447,40 @@
 		for (var x = 0; x < chars.length && x < gridSize; x++) {
 			var _char = chars[x];
 			switch (_char) {
 				case 'S':
-					tiles[y][x] = 'start';
-					fixedTiles.push(y + ',' + x);
-					startPos = [y, x];
+					tiles[x][y] = 'start';
+					fixedTiles.push(x + ',' + y);
+					startPos = [x, y];
 					break;
 				case 'E':
-					tiles[y][x] = 'end';
-					fixedTiles.push(y + ',' + x);
-					endPos = [y, x];
+					tiles[x][y] = 'end';
+					fixedTiles.push(x + ',' + y);
+					endPos = [x, y];
 					break;
 				case '|':
-					tiles[y][x] = 'straightPipeV';
+					tiles[x][y] = 'straightPipeV';
 					break;
 				case '-':
-					tiles[y][x] = 'straightPipeH';
+					tiles[x][y] = 'straightPipeH';
 					break;
 				case 'C':
-					tiles[y][x] = 'cornerPipe';
-					cornerPipes.push([y, x]);
+					tiles[x][y] = 'cornerPipe';
+					cornerPipes.push([x, y]);
 					break;
 				case 'F':
 					// Fixed straight pipe vertical
-					tiles[y][x] = 'straightPipeV';
-					fixedTiles.push(y + ',' + x);
+					tiles[x][y] = 'straightPipeV';
+					fixedTiles.push(x + ',' + y);
 					break;
 				case '=':
 					// Fixed straight pipe horizontal
-					tiles[y][x] = 'straightPipeH';
-					fixedTiles.push(y + ',' + x);
+					tiles[x][y] = 'straightPipeH';
+					fixedTiles.push(x + ',' + y);
 					break;
 				case '.':
 				case ' ':
-					tiles[y][x] = null;
+					tiles[x][y] = null;
 					break;
 			}
 		}
 	}
@@ -1566,9 +1561,14 @@
 	function tryRotations(currentConfig, index) {
 		if (index >= cornerPipes.length + 2) {
 			// +2 for start and end tiles
 			if (isValidPath(currentConfig)) {
-				validConfig = JSON.parse(JSON.stringify(currentConfig));
+				if (typeof JSON !== 'undefined') {
+					validConfig = JSON.parse(JSON.stringify(currentConfig));
+				} else {
+					console.error("JSON is not defined");
+					validConfig = null;
+				}
 				return true;
 			}
 			return false;
 		}
@@ -1601,10 +1601,10 @@
 var levelToString = function levelToString(level) {
 	var result = '';
 	for (var y = 0; y < level.tiles.length; y++) {
 		for (var x = 0; x < level.tiles[y].length; x++) {
-			var tile = level.tiles[y][x];
-			var isFixed = level.fixedTiles.includes(y + ',' + x);
+			var tile = level.tiles[x][y];
+			var isFixed = level.fixedTiles && level.fixedTiles.includes(x + ',' + y);
 			if (!tile) {
 				result += '.';
 			} else {
 				switch (tile) {
@@ -2010,22 +2010,16 @@
 // Test Level 1
 console.log("\nTesting Level 1:");
 var level1Config = levelConfigs[1];
 var asciiLevel = levelToString(level1Config);
-console.log("Level 1 as ASCII:\n" + asciiLevel);
+console.log("\nLevel 1 as ASCII:\n" + asciiLevel);
 // Convert back to level configuration
 console.log("\nConverting ASCII back to Level configuration:");
 var convertedLevel = stringToLevel(asciiLevel);
-if (typeof JSON !== 'undefined' && JSON.stringify) {
-	console.log("Converted Level:", JSON.stringify(convertedLevel, null, 2));
-	// Compare original and converted
-	console.log("\nComparing original and converted:");
-	console.log("Tiles match:", JSON.stringify(level1Config.tiles) === JSON.stringify(convertedLevel.tiles));
-	console.log("Rotations match:", JSON.stringify(level1Config.rotations) === JSON.stringify(convertedLevel.rotations));
-} else {
-	console.log("JSON.stringify is not available.");
-}
-// Convert back to ASCII one more time to verify
-console.log("\nConverting back to ASCII again:");
+console.log("\n=>", convertedLevel);
 var finalAscii = levelToString(convertedLevel);
 console.log(finalAscii);
-console.log("ASCII representations match:", asciiLevel === finalAscii);
\ No newline at end of file
+// Compare ASCII representations
+console.log("ASCII representations match:", asciiLevel === finalAscii);
+// New Levels:
+var newLevelStr = "C--S\nC--C\nC-.C\nCE.-";
+var newLevel = stringToLevel(newLevelStr);
\ No newline at end of file