What does this code display?

<html> <head> <style> .container { border: 3px solid #806868; height: 100px; display: flex; flex-direction: column; flex-wrap: wrap; } .item { height: 20px; border: 2px solid #457081; } </style> </head> <body> <div class="container"> <div class="item">1</div> <div class="item">2</div> <div class="item">3</div> <div class="item">4</div> <div class="item">5</div> <div class="item">6</div> </div> </body> </html>]]>Two columns of flex itemsTwo rows of flex items

Two columns of flex items.