{"puzzle 4x4": [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 0]], "puzzle 3x3": [[1, 2, 3], [4, 5, 6], [7, 8, 0]], "current 4x4": {"matrix": [[6, 3, 0, 15], [4, 13, 11, 9], [10, 8, 7, 5], [2, 14, 12, 1]], "selected_image": "images/albums/Birds/1.png"}, "current 3x3": {"matrix": [[3, 6, 7], [5, 4, 1], [0, 8, 2]], "selected_image": "/images/albums/Birds/1.png"}}