


How to Start o; Click or tap on one of the symbols around the right tile to make a swap. You have a choice of 18 possible moves, 6 row swaps  six column swaps  and six quadrant swaps  Background A possible origin of this puzzle is found in a dialogue between Socrates and Meno written by the Greek philosopher, Plato, where a square is drawn inside a square such that the blue square is twice the area of the yellow square. In the 2x2 layout colouring the triangles produces a starting pattern which is a onediamond figure made up of four tiles and there are 24 different possible arrangements. In a 4x4 layout with a sixteen tile figure, as used in our puzzle, there are 35 basic x (6 x 4 variations) = 840 possible patterns revealed by swapping rows, columns and the four 2x2 quadrants! 