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