```
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>A Pen by Dave Campion</title>
</head>
<body>
<script src="js/index.js"></script>
</body>
</html>
```

```
/*Downloaded from https://www.codeseek.co/gasolinewaltz/a-pen-by-dave-campion-zpPYOO */
let matrix = [
0, 1, 2, 3, 4,
5, 6, 7, 8, 9,
10, 11, 12, 13, 14,
15, 16, 17, 18, 19,
20, 21, 22, 23, 24,
];
let spiralOut = function(matrix, width){
let dx = 0;
let dy = 0;
let segmentLength = 1;
let x = Math.floor(width/2);
let y = Math.floor(width/2);
let segmentPassed = 0;
for(let i = 0; i < matrix.length; i++){
x += dx;
y += dy;
segmentPassed++;
let idx = y * width + x;
console.log( matrix[idx]);
if(segmentPassed == segmentLength){
segmentPassed = 0;
let buffer = dx;
dx = -dy;
dy = buffer;
if(dx == 0 && dy == 0){
dx = 1;
}else if(dy == 0){
segmentLength++;
}
}
}
}
console.clear();
spiralOut(matrix, 5);
```