+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
|     |     "     |     |     "     |     |     |     |     |     |
| -   | -   "  8  |  1  |  6  " -   | -   | -   | -   | -   | -   |
|     |     "     |     |     "     |     |     |     |     |     |
+-----+-----+-----+-----+-----+=====+=====+=====+-----+-----+-----+
|     |     "     |     |     "     |     |     "           |     |
| -   | -   "  9  |  2  |  5  "  7  |  3  |  4  " -     -   | -   |
|     |     "     |     |     "     |     |     "           |     |
+-----+-----+-----+-----+-----+-----+-----+-----+=====+=====+=====+
|           "     |     |     "     |     |     "     |     |     |
| -     -   "  7  |  3  |  4  "  6  |  9  |  2  "  8  |  5  |  1  |
|           "     |     |     "     |     |     "     |     |     |
+-----+=====+=====+=====+=====+-----+-----+-----+-----+-----+-----+
|     "     |     |     "     "     |     |     "     |     |     |
| -   "  4  |  3  |  7  "     "  5  |  1  |  8  "  2  |  6  |  9  |
|     "     |     |     "     "     |     |     "     |     |     |
+-----+-----+-----+-----+=====+=====+=====+=====+-----+-----+-----+
|     "     |     |     "     |     |     "     "     |     |     |
| -   "  5  |  1  |  8  "  2  |  9  |  6  "     "  4  |  7  |  3  |
|     "     |     |     "     |     |     "     "     |     |     |
+-----+-----+-----+-----+-----+-----+-----+=====+=====+=====+=====+
|     "     |     |     "     |     |     "     |     |     "     |
| -   "  6  |  2  |  9  "  1  |  4  |  5  "  3  |  7  |  8  "     |
|     "     |     |     "     |     |     "     |     |     "     |
+=====+=====+=====+=====+-----+-----+-----+-----+-----+-----+     +
|     |     |     "     "     |     |     "     |     |     "     |
|  9  |  2  |  5  "     "  3  |  8  |  7  "  6  |  1  |  4  " -   |
|     |     |     "     "     |     |     "     |     |     "     |
+-----+-----+-----+=====+=====+=====+=====+-----+-----+-----+-----+
|     |     |     "     |     |     "     "     |     |     "     |
|  3  |  8  |  4  "  6  |  7  |  1  "     "  5  |  9  |  2  " -   |
|     |     |     "     |     |     "     "     |     |     "     |
+-----+-----+-----+-----+-----+-----+=====+=====+=====+=====+=====+
|     |     |     "     |     |     "     |     |     "     "     |
|  1  |  7  |  6  "  4  |  8  |  3  "  2  |  9  |  5  "     " -   |
|     |     |     "     |     |     "     |     |     "     "     |
+=====+=====+=====+-----+-----+-----+-----+-----+-----+     +=====+
|     |     |     "     |     |     "     |     |     "           |
| -   | -   | -   "  5  |  9  |  2  "  4  |  7  |  3  " -     -   |
|     |     |     "     |     |     "     |     |     "           |
+     +     +     +=====+=====+=====+-----+-----+-----+-----+-----+
|     |     |     |     |     |     "     |     |     "           |
| -   | -   | -   | -   | -   | -   "  8  |  1  |  6  " -     -   |
|     |     |     |     |     |     "     |     |     "           |
+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+