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