For those who know how to count very well and is ready for any task in such a plan, then you would not pass a simple but very exciting test system! Here you will see at the bottom of the bar is not great to be a very weak hold on one stone, as soon as you drop the cube with the number on one side you have as quickly as possible and discard the other, but do not forget that they do not have identical numbers are different and you have to consider and to determine which and how many cubes to lose balance!