| A ♠ | 2 ♡ | 3 ♣ | 4 ♢ | 5 ♣ | 6 ♢ | 7 ♣ | 8 ♡ |
Place two and three beyond eight;
Place five and six between one and four;
Place eight and two between four and seven;
Place one and five between seven and three.
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No. LXVIII
You can in a moment tell the number chosen on these cards, when you are told on which of them it appears,
| I. | II. | III. | IV. | |||||||||||||||
| 1 | 33 | 65 | 97 | 2 | 34 | 66 | 98 | 4 | 36 | 68 | 100 | 8 | 40 | 72 | 104 | |||
| 3 | 35 | 67 | 99 | 3 | 35 | 67 | 99 | 5 | 37 | 69 | 101 | 9 | 41 | 73 | 105 | |||
| 5 | 37 | 69 | 101 | 6 | 38 | 70 | 102 | 6 | 38 | 70 | 102 | 10 | 42 | 74 | 106 | |||
| 7 | 39 | 71 | 103 | 7 | 39 | 71 | 103 | 7 | 39 | 71 | 103 | 11 | 43 | 75 | 107 | |||
| 9 | 41 | 73 | 105 | 10 | 42 | 74 | 106 | 12 | 44 | 76 | 108 | 12 | 44 | 76 | 108 | |||
| 11 | 43 | 75 | 107 | 11 | 43 | 75 | 107 | 13 | 45 | 77 | 109 | 13 | 45 | 77 | 109 | |||
| 13 | 45 | 77 | 109 | 14 | 46 | 78 | 110 | 14 | 46 | 78 | 110 | 14 | 46 | 78 | 110 | |||
| 15 | 47 | 79 | 111 | 15 | 47 | 79 | 111 | 15 | 47 | 79 | 111 | 15 | 47 | 79 | 111 | |||
| 17 | 49 | 81 | 113 | 18 | 50 | 82 | 114 | 20 | 52 | 84 | 116 | 24 | 56 | 88 | 120 | |||
| 19 | 51 | 83 | 115 | 19 | 51 | 83 | 115 | 21 | 53 | 85 | 117 | 25 | 57 | 89 | 121 | |||
| 21 | 53 | 85 | 117 | 22 | 54 | 86 | 118 | 22 | 54 | 86 | 118 | 26 | 58 | 90 | 122 | |||
| 23 | 55 | 87 | 119 | 23 | 55 | 87 | 119 | 23 | 55 | 87 | 119 | 27 | 59 | 91 | 123 | |||
| 25 | 57 | 89 | 121 | 26 | 58 | 90 | 122 | 28 | 60 | 92 | 124 | 28 | 60 | 92 | 124 | |||
| 27 | 59 | 91 | 123 | 27 | 59 | 91 | 123 | 29 | 61 | 93 | 125 | 29 | 61 | 93 | 125 | |||
| 29 | 61 | 93 | 125 | 30 | 62 | 94 | 126 | 30 | 62 | 94 | 126 | 30 | 62 | 94 | 126 | |||
| 31 | 63 | 95 | 127 | 31 | 63 | 95 | 127 | 31 | 63 | 95 | 127 | 31 | 63 | 95 | 127 | |||
| V. | VI. | VII. | |||||||||||
| 16 | 48 | 80 | 112 | 32 | 48 | 96 | 112 | 64 | 80 | 96 | 112 | ||
| 17 | 49 | 81 | 113 | 33 | 49 | 97 | 113 | 65 | 81 | 97 | 113 | ||
| 18 | 50 | 82 | 114 | 34 | 50 | 98 | 114 | 66 | 82 | 98 | 114 | ||
| 19 | 51 | 83 | 115 | 35 | 51 | 99 | 115 | 67 | 83 | 99 | 115 | ||
| 20 | 52 | 84 | 116 | 36 | 52 | 100 | 116 | 68 | 84 | 100 | 116 | ||
| 21 | 53 | 85 | 117 | 37 | 53 | 101 | 117 | 69 | 85 | 101 | 117 | ||
| 22 | 54 | 86 | 118 | 38 | 54 | 102 | 118 | 70 | 86 | 102 | 118 | ||
| 23 | 55 | 87 | 119 | 39 | 55 | 103 | 119 | 71 | 87 | 103 | 119 | ||
| 24 | 56 | 88 | 120 | 40 | 56 | 104 | 120 | 72 | 88 | 104 | 120 | ||
| 25 | 57 | 89 | 121 | 41 | 57 | 105 | 121 | 73 | 89 | 105 | 121 | ||
| 26 | 58 | 90 | 122 | 42 | 58 | 106 | 122 | 74 | 90 | 106 | 122 | ||
| 27 | 59 | 91 | 123 | 43 | 59 | 107 | 123 | 75 | 91 | 107 | 123 | ||
| 28 | 60 | 92 | 124 | 44 | 60 | 108 | 124 | 76 | 92 | 108 | 124 | ||
| 29 | 61 | 93 | 125 | 45 | 61 | 109 | 125 | 77 | 93 | 109 | 125 | ||
| 30 | 62 | 94 | 126 | 46 | 62 | 110 | 126 | 78 | 94 | 110 | 126 | ||
| 31 | 63 | 95 | 127 | 47 | 63 | 111 | 127 | 79 | 95 | 111 | 127 | ||
by adding together the numbers at the top left-hand corner of these.