||MiniMatch-II: 16-dominoes solutions
An elusive challenge for MiniMatch-II is the 16-dominoes problem. Arrange the tiles so that the little color squares occur in connected pairs, except for the four single corners. Joseph Konrad provided several of the solutions shown; Tory Davis, Ariela Perlman, Nachum Spinner (age 9), and Kate Jones also found solutions. It is not known how many solutions exist. Notice the pattern of which colors must be in the corners. If you find a solution not included above, please send us a drawing of it and we'll send you a little prize, as well as add yours to this group.