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