+-- Level +4 ---------------+
| |
| M |
| | |
| | |
| % % |
| v v |
| |
+---------------------------+
+-- Level +3 ---------------+
| ^ ^ |
| % % % |
| v v v |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| % % |
| v v |
| |
+---------------------------+
+-- Level +2 ---------------+
| ^ ^ |
| % % % |
| v v v |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| ^ ^ |
| % % |
| v v |
| |
+---------------------------+
+-- Level +1 ---------------+
| ^ ^ ^ |
| % % % |
| v v v |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| ^ ^ |
| % % |
| v v |
| |
+---------------------------+
+-- Ground level -----------+
| ^ ^ ^ |
| % % % |
| \ | / |
| \ | / |
| *--*--%--*--*--* |
| | v | |
| | | |
| * * |
| | | |
| | | |
| *--* *--* |
| | | |
| | | |
| * * |
| | | |
| | | |
| *--*--*--*--*--* |
| / \< \ |
| ^/ \ > \^ |
| % * % |
| | |
| | |
| * |
| # |
| | |
| * |
| | |
| | |
| * |
| | |
| | |
| * |
| / |
| / |
| * |
| / |
| / |
| * |
| | |
| | |
| * |
| | |
| | |
| * |
| \ |
| \ |
| * |
| \ |
| \ |
| * |
| | |
| | |
| * |
| | |
| | |
| * |
| / |
| / |
| * |
| / |
| / |
| * |
| \ |
| \ |
| * |
| / |
| / |
| * |
| / |
| / |
| * |
| \ |
| \ |
| * |
| \ |
| \ |
| * |
| \ |
| \ |
| * |
| | |
| | |
| * |
| | |
| | |
| * |
| / |
| / |
| * |
| / |
| / |
| * |
| v |
| |
+---------------------------+