ANNULUS REGION
0.0 30.0 20.0 0.25 0.5 10 500
2 24 1 2
26
 0
      1.0000000      0.0000000
      0.9238795      0.3826834
      0.7071068      0.7071068
      0.3826834      0.9238795
      0.0000000      1.0000000
     -0.3826834      0.9238795
     -0.7071068      0.7071068
     -0.9238795      0.3826834
     -1.0000000      0.0000000
     -0.9238795     -0.3826834
     -0.7071068     -0.7071068
     -0.3826834     -0.9238795
      0.0000000     -1.0000000
      0.3826834     -0.9238795
      0.7071068     -0.7071068
      0.9238795     -0.3826834
      0.7500000      0.0000000
      0.6767767      0.1767767
      0.5000000      0.2500000
      0.3232233      0.1767767
      0.2500000      0.0000000
      0.3232233     -0.1767767
      0.5000000     -0.2500000
      0.6767767     -0.1767767
     1     2     3     4     5     6     7     8     9    10
    11    12    13    14    15    16    -1    17    24    23
    22    21    20    19    18   -17
