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