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