L64: [1, 2, 4; 3, 5, 6, 7], [8, 16, 32; 24, 40, 48, 56], [9, 18, 36; 27, 45, 54, 63], [10, 20, 35; 30, 41, 55, 61], [11, 22, 39; 29, 44, 49, 58], [12, 19, 38; 31, 42, 53, 57], [13, 17, 34; 28, 47, 51, 62], [14, 23, 37; 25, 43, 50, 60], [15, 21, 33; 26, 46, 52, 59]
