X ( 2 , 5 , 3 , 6 ) X ( 4 , 16 , 1 , 15 ) X ( 6 , 1 , 7 , 2 ) X ( 8 , 22 , 9 , 21 ) X ( 10 , 14 , 11 , 13 ) X ( 12 , 19 , 5 , 20 ) X ( 14 , 4 , 15 , 3 ) X ( 16 , 8 , 17 , 7 ) X ( 18 , 11 , 19 , 12 ) X ( 20 , 17 , 21 , 18 ) X ( 22 , 10 , 13 , 9 ) {\displaystyle X(2,5,3,6)X(4,16,1,15)X(6,1,7,2)X(8,22,9,21)X(10,14,11,13)X(12,19,5,20)X(14,4,15,3)X(16,8,17,7)X(18,11,19,12)X(20,17,21,18)X(22,10,13,9)}
