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