CHRISTMAS MATCHING GAME DEVELOPERS SECRETS

In the "SOLO" manner: The theory is to uncover the many pairs with the fewest doable moves and in a shortest time.The simplest way To accomplish this is to keep all the grid in tact and afterwards glue it about the back of one other sheet of paper.  I applied brilliant red/white Look at scrapbook paper. Once the glue is dry, then I Minimize the gr