This lucky design offers two unusual features: an excellent
conventionalized figure and freedom from excess of black spaces.
The solution offers difficulties; how much more the construction!
The three-by-five interlocks at the sides in especial deserve
worshipful consideration.
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 1 | 2 | | 3 | 4 |#####| 5 | 6 | 7 | 8 | 9 | 10 | |#####| 11 | 12 | | 13 | 14 |
| | | | | |#####| | | | | | | |#####| | | | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 15 | |#####| 16 | | 17 |#####| 18 | | | | |#####| 19 | | |#####| 20 | |
| | |#####| | | |#####| | | | | |#####| | | |#####| | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| |#####| 21 | |#####| 22 | 23 | | | | | | 24 | |#####| 25 | 26 |#####| |
| |#####| | |#####| | | | | | | | | |#####| | |#####| |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 27 | 28 | | | 29 | | |#####| 30 | | |#####| 31 | | 32 | | | 33 | |
| | | | | | | |#####| | | |#####| | | | | | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 34 | |#####| 35 | | | | 36 |#####| |#####| 37 | | | | |#####| 38 | |
| | |#####| | | | | |#####| |#####| | | | | |#####| | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
|#####| 39 | 40 | | | |#####| 41 | 42 | | 43 | |#####| 44 | | | 45 | |#####|
|#####| | | | | |#####| | | | | |#####| | | | | |#####|
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 46 |#####| 47 | | |#####| 48 | | |#####| 49 | | 50 |#####| 51 | | |#####| 52 |
| |#####| | | |#####| | | |#####| | | |#####| | | |#####| |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 53 | 54 | |#####| 55 | 56 | |#####| 57 | 58 | |#####| 59 | 60 | |#####| 61 | 62 | |
| | | |#####| | | |#####| | | |#####| | | |#####| | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 63 | | | 64 |#####| 65 | | 66 | | | | 67 | | |#####| 68 | | | |
| | | | |#####| | | | | | | | | |#####| | | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 69 | | | | | |#####| 70 | | | | |#####| 71 | | | | | |
| | | | | | |#####| | | | | |#####| | | | | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 72 | | | |#####| 73 | 74 | | | | | | 75 | |#####| 76 | | | |
| | | | |#####| | | | | | | | | |#####| | | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 77 | | |#####| 78 | | |#####| 79 | | |#####| 80 | | 81 |#####| 82 | | |
| | | |#####| | | |#####| | | |#####| | | |#####| | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| |#####| 83 | 84 | |#####| 85 | 86 | |#####| 87 | 88 | |#####| 89 | 90 | |#####| |
| |#####| | | |#####| | | |#####| | | |#####| | | |#####| |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
|#####| 91 | | | | 92 |#####| 93 | | 94 | | |#####| 95 | | | | 96 |#####|
|#####| | | | | |#####| | | | | |#####| | | | | |#####|
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 97 | |#####| 98 | | | 99 | |#####| |#####| 100 | 101 | | | |#####| 102 | 103 |
| | |#####| | | | | |#####| |#####| | | | | |#####| | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 104 | | 105 | | | | |#####| 106 | | 107 |#####| 108 | | | | 109 | | |
| | | | | | | |#####| | | |#####| | | | | | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| |#####| 110 | |#####| 111 | | 112 | | | | 113 | | |#####| 114 | |#####| |
| |#####| | |#####| | | | | | | | | |#####| | |#####| |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 115 | 116 |#####| 117 | 118 | |#####| 119 | | | | |#####| 120 | 121 | |#####| 122 | |
| | |#####| | | |#####| | | | | |#####| | | |#####| | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
| 123 | | | | |#####| 124 | | | | | | |#####| 125 | | | | |
| | | | | |#####| | | | | | | |#####| | | | | |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+