------ [[14, 6, 12, 4, 15, 11, 8, 10, 5, 7, 13, 0, 1, 3, 9, 2], [14, 6, 12, 4, 15, 8, 1, 9, 5, 7, 13, 0, 11, 10, 3, 2], [14, 6, 12, 4, 15, 8, 11, 9, 5, 7, 13, 0, 2, 10, 3, 1], [14, 6, 12, 4, 15, 2, 8, 10, 5, 7, 13, 0, 11, 3, 9, 1], [14, 6, 12, 4, 15, 11, 1, 9, 5, 7, 13, 0, 2, 10, 3, 8], [14, 6, 9, 8, 15, 11, 1, 10, 5, 7, 13, 12, 2, 0, 3, 4], [14, 6, 9, 4, 15, 11, 8, 12, 5, 7, 13, 0, 2, 10, 3, 1], [14, 6, 9, 13, 15, 2, 8, 10, 5, 7, 4, 12, 11, 0, 3, 1], [14, 6, 9, 13, 15, 11, 8, 0, 5, 7, 4, 12, 2, 10, 3, 1], [14, 6, 15, 8, 3, 11, 13, 10, 5, 7, 4, 12, 2, 0, 9, 1], [14, 6, 15, 8, 9, 11, 13, 0, 5, 7, 4, 12, 2, 10, 3, 1]] n 4 F_1 [14, 6, 12, 4, 15, 11, 8, 10, 5, 7, 13, 0, 1, 3, 9, 2] 18 39 F_2 [14, 6, 12, 4, 15, 8, 1, 9, 5, 7, 13, 0, 11, 10, 3, 2] 15 34 F_3 [14, 6, 12, 4, 15, 8, 11, 9, 5, 7, 13, 0, 2, 10, 3, 1] 15 34 F_4 [14, 6, 12, 4, 15, 2, 8, 10, 5, 7, 13, 0, 11, 3, 9, 1] 20 41 F_5 [14, 6, 12, 4, 15, 11, 1, 9, 5, 7, 13, 0, 2, 10, 3, 8] 13 32 F_6 [14, 6, 9, 8, 15, 11, 1, 10, 5, 7, 13, 12, 2, 0, 3, 4] 13 32 F_7 [14, 6, 9, 4, 15, 11, 8, 12, 5, 7, 13, 0, 2, 10, 3, 1] 15 34 F_8 [14, 6, 9, 13, 15, 2, 8, 10, 5, 7, 4, 12, 11, 0, 3, 1] 15 34 F_9 [14, 6, 9, 13, 15, 11, 8, 0, 5, 7, 4, 12, 2, 10, 3, 1] 18 38 F_10 [14, 6, 15, 8, 3, 11, 13, 10, 5, 7, 4, 12, 2, 0, 9, 1] 13 32 F_11 [14, 6, 15, 8, 9, 11, 13, 0, 5, 7, 4, 12, 2, 10, 3, 1] 16 36 [([14, 6, 12, 4, 15, 11, 1, 9, 5, 7, 13, 0, 2, 10, 3, 8], 13, 32), ([14, 6, 9, 8, 15, 11, 1, 10, 5, 7, 13, 12, 2, 0, 3, 4], 13, 32), ([14, 6, 15, 8, 3, 11, 13, 10, 5, 7, 4, 12, 2, 0, 9, 1], 13, 32), ([14, 6, 12, 4, 15, 8, 1, 9, 5, 7, 13, 0, 11, 10, 3, 2], 15, 34), ([14, 6, 12, 4, 15, 8, 11, 9, 5, 7, 13, 0, 2, 10, 3, 1], 15, 34), ([14, 6, 9, 4, 15, 11, 8, 12, 5, 7, 13, 0, 2, 10, 3, 1], 15, 34), ([14, 6, 9, 13, 15, 2, 8, 10, 5, 7, 4, 12, 11, 0, 3, 1], 15, 34), ([14, 6, 15, 8, 9, 11, 13, 0, 5, 7, 4, 12, 2, 10, 3, 1], 16, 36), ([14, 6, 12, 4, 15, 11, 8, 10, 5, 7, 13, 0, 1, 3, 9, 2], 18, 39), ([14, 6, 9, 13, 15, 11, 8, 0, 5, 7, 4, 12, 2, 10, 3, 1], 18, 38), ([14, 6, 12, 4, 15, 2, 8, 10, 5, 7, 13, 0, 11, 3, 9, 1], 20, 41)]