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