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