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