X ( 1 , 37 , 2 , 36 ) X ( 3 , 39 , 4 , 38 ) X ( 5 , 41 , 6 , 40 ) X ( 7 , 43 , 8 , 42 ) X ( 9 , 45 , 10 , 44 ) X ( 11 , 47 , 12 , 46 ) X ( 13 , 49 , 14 , 48 ) X ( 15 , 51 , 16 , 50 ) X ( 17 , 53 , 18 , 52 ) X ( 19 , 55 , 20 , 54 ) X ( 21 , 57 , 22 , 56 ) X ( 23 , 59 , 24 , 58 ) X ( 25 , 61 , 26 , 60 ) X ( 27 , 63 , 28 , 62 ) X ( 29 , 65 , 30 , 64 ) X ( 31 , 67 , 32 , 66 ) X ( 33 , 69 , 34 , 68 ) X ( 35 , 1 , 36 , 70 ) X ( 37 , 3 , 38 , 2 ) X ( 39 , 5 , 40 , 4 ) X ( 41 , 7 , 42 , 6 ) X ( 43 , 9 , 44 , 8 ) X ( 45 , 11 , 46 , 10 ) X ( 47 , 13 , 48 , 12 ) X ( 49 , 15 , 50 , 14 ) X ( 51 , 17 , 52 , 16 ) X ( 53 , 19 , 54 , 18 ) X ( 55 , 21 , 56 , 20 ) X ( 57 , 23 , 58 , 22 ) X ( 59 , 25 , 60 , 24 ) X ( 61 , 27 , 62 , 26 ) X ( 63 , 29 , 64 , 28 ) X ( 65 , 31 , 66 , 30 ) X ( 67 , 33 , 68 , 32 ) X ( 69 , 35 , 70 , 34 ) {\displaystyle X(1,37,2,36)X(3,39,4,38)X(5,41,6,40)X(7,43,8,42)X(9,45,10,44)X(11,47,12,46)X(13,49,14,48)X(15,51,16,50)X(17,53,18,52)X(19,55,20,54)X(21,57,22,56)X(23,59,24,58)X(25,61,26,60)X(27,63,28,62)X(29,65,30,64)X(31,67,32,66)X(33,69,34,68)X(35,1,36,70)X(37,3,38,2)X(39,5,40,4)X(41,7,42,6)X(43,9,44,8)X(45,11,46,10)X(47,13,48,12)X(49,15,50,14)X(51,17,52,16)X(53,19,54,18)X(55,21,56,20)X(57,23,58,22)X(59,25,60,24)X(61,27,62,26)X(63,29,64,28)X(65,31,66,30)X(67,33,68,32)X(69,35,70,34)}
