Map of m37-312 cluster

    /
/--/   ------------------------------   -+----\
|       29  28   27  25      24  22    / |    |
|    \    20       26          23     /  |21  |
|     \                                  |    |
|   4 |                                       |
|     |     19  18  17  16     15  14  13     |
|   3 |   ---------------------------------   |
|     |     30  31  32  33     34  35  36     |
|   2 |                                       |
|     |                                       |
|   1 |     5  6  7  8    +-+  9  10  11  12  |
\-----+-------------------/ \-----------------/