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