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