<html>
  <head>
    <link href="../css/c3.css" rel="stylesheet" type="text/css">
  </head>
  <body>
    <div id="chart"></div>

    <script src="https://d3js.org/d3.v5.min.js" charset="utf-8"></script>
    <script src="../js/c3.js"></script>
    <script>
      var chart = c3.generate({
        data: {
          columns: [
            ['data1', 30, 20, 50, 40, 60, 50],
            ['data2', 200, 130, 90, 240, 130, 220],
            ['data3', 300, 200, 160, 400, 250, 250],
            ['data4', 200, 130, 90, 240, 130, 220],
            ['data5', 130, 120, 150, 140, 160, 150],
            ['data6', 90, 70, 20, 50, 60, 120],
          ],
          types: {
            data1: 'bar',
            data2: 'bar',
            data3: 'spline',
            data4: 'line',
            data5: 'bar',
            data6: 'area'
          },
          groups: [
            ['data1','data2']
          ]
        },
        axis: {
          x: {
            type: 'categorized'
          }
        }
    });
    </script>
  </body>
</html>