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