<!DOCTYPE html>
<html lang="en" dir="ltr">

<head>
  <!-- Google tag (gtag.js) -->
  <script async src="https://www.googletagmanager.com/gtag/js?id=G-YG6HJ0XTRZ"></script>
  <script>
    window.dataLayer = window.dataLayer || [];
    function gtag() { dataLayer.push(arguments); }
    gtag('js', new Date());

    gtag('config', 'G-YG6HJ0XTRZ');
  </script>
  <meta charset="utf-8">
  <title></title>
  <script>
    let url = window.location.href,
      params = url.split('?');
    for (i = 0; i < params.length; i++) {
      param = params[i].split('=');
      if (param[0] == 's2s_id') {
        var s2s = param.join('=');
      }
    }
    // disp
    // // display with 30/30/30 random distribution
    var rand = Math.random();
    if (rand < 1 / 3) {
      if (s2s) {
        window.location.href = 'index1.html?' + s2s;
      } else {
        window.location.href = 'index1.html';
      }
    } else if ((rand > 1 / 3) && (rand < 2 / 3)) {
      if (s2s) {
        window.location.href = 'index2.html?' + s2s;
      } else {
        window.location.href = 'index2.html';
      }
    } else {
      if (s2s) {
        window.location.href = 'index3.html?' + s2s;
      } else {
        window.location.href = 'index3.html';
      }
    }
  </script>
</head>

<body>

</body>

</html>