title: Highcharts Sync charts vertically
body: <p>I am trying to build synchronous charts as on this link <a href="https://www.highcharts.com/demo/synchronized-charts" rel="nofollow noreferrer">https://www.highcharts.com/demo/synchronized-charts</a>, but switch x and y-axis to view charts as in the picture below:</p>
  
  <p><a href="https://i.stack.imgur.com/IdsgM.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/IdsgM.png" alt="enter image description here"></a></p>
  
  <p>How it could be done? Any help much appreciated!
  Thanks! </p>