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