Ackonwledgement: [br]Rinus Roelofs 4 cubes to 1 cube[br][url=https://www.facebook.com/1206771269/posts/pfbid02nS4bbkQYiUW4XpYYn1C8fnGcV1NaRkWPGeHui1xBQCvBELba8vyZEGa2JbH3yeiUl/]https://www.facebook.com/1206771269/posts/pfbid02nS4bbkQYiUW4XpYYn1C8fnGcV1NaRkWPGeHui1xBQCvBELba8vyZEGa2JbH3yeiUl/[/url]