+-- Level +5 ---------------------------+
| |
| *--*--* |
| / | |
| ^/ | |
| % * |
| / \ |
| / \ |
| * * |
| | |
| | |
| % |
| v |
| |
+---------------------------------------+
+-- Level +4 ---------------------------+
| ^ |
| *--% |
| / |
| / |
| * |
| | |
| | |
| % |
| v |
| |
+---------------------------------------+
+-- Level +3 ---------------------------+
| |
| * |
| / \ |
| / \ |
| * * |
| | |
| |^ |
| % |
| / |
| / |
| * *--% |
| \ / v |
| \ / |
| *--* |
| |
+---------------------------------------+
+-- Level +2 ---------------------------+
| ^ |
| %--*--*--* |
| | |
| | |
| % |
| v |
| |
+---------------------------------------+
+-- Level +1 ---------------------------+
| |
| M |
| / |
| / |
| * |
| | |
| | |
| * |
| \ |
| \ |
| * |
| / \ |
| ^/ \ |
| % * |
| | |
| | |
| * |
| / |
| / |
| % |
| v |
| |
+---------------------------------------+
+-- Ground level -----------------------+
| |
| * |
| \ |
| \^ |
| %--* |
| / \ |
| / \ |
| * *--* |
| | |
| | |
| % |
| v |
| |
+---------------------------------------+
+-- Level -1 ---------------------------+
| |
| * |
| / |
| / |
| *--% |
| | v |
| | |
| * * |
| \ / \ |
| \ / \ |
| * * |
| \ |
| \ |
| * |
| / |
| ^ / |
| %--* |
| |
+---------------------------------------+
+-- Level -2 ---------------------------+
| |
| * |
| / \ |
| / \ ^ |
| * *--% |
| / |
| / |
| * |
| \ |
| \ |
| *--* |
| | |
| | |
| % |
| v |
| |
+---------------------------------------+
+-- Level -3 ---------------------------+
| |
| M |
| | |
| = |
| * |
| | |
| = |
| * |
| | |
| |^ |
| % |
| |
+---------------------------------------+