PD[X[10, 2, 11, 1], X[12, 4, 13, 3], X[5, 21, 6, 20], X[7, 17, 8, 16], X[9, 19, 10, 18], X[2, 12, 3, 11], X[22, 14, 23, 13], X[24, 16, 1, 15], X[17, 9, 18, 8], X[19, 5, 20, 4], X[21, 7, 22, 6], X[14, 24, 15, 23]]