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