2x2: 2.45, 5.57, 3.79, 3.90, 4.50 = 4.06
3x3: 10.71, 17.92, 12.94, 10.24, 11.02 = 11.56
4x4: 40.39, 52.34, 45.84, 40.55, 53.28 = 46.24
5x5: 1:21.43, 1:18.27, 1:17.10, 1:27.15, 1:25.40 = 1:21.70
6x6: 2:41.53, 2:19.99, 4:05.49, 2:27.66, 2:34.41 = 2:34.54
7x7: 3:52.33, 3:44.64, 3:32.58, 3:47.51...