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