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