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   |     |           |              |     |  |
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|  |  |     |     |  |  |     |  |  |  |     |
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|  |  |     |  |  |     |     |     |  |     |
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|     |  |        |     |        |     |  |  |
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|     |  |     |  |  |  |     |     |     |  |
+  +  +  +  +  +--+  +  +  +  +--+--+  +--+  +
|  |  |  |  |        |  |  |           |     |
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|  |  |  |  |  |        |           |        |
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|  |  |  |  |     |     |  |     |  |     |  |
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|  |  |  |  |        |     |  |  |     |     |
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|  |  |  |  |        |        |     |        |
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|     |     |     |  |     |     |  |  |  |  |
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|  |        |     |           |  |  |  |     |
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|        |           |  |                 |  |
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|           |        |        |               
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