[[45, 47, 46], [3, 5, 4], [6, 8, 7], [9, 11, 10], [12, 14, 13], [15, 17, 16], [18, 20, 19], [21, 23, 22], [24, 26, 25], [27, 29, 28], [30, 32, 31], [33, 35, 34], [36, 38, 37]]