mesh = {
  dimension = 3
  use-index-zero = true
  vertices = {
    dimension = 3
    count = 12
    coordinates = {
             0     -2.000000e+00     -1.000000e+00      1.000000e+00
             1     -2.000000e+00     -1.000000e+00     -1.000000e+00
             2     -2.000000e+00      1.000000e+00     -1.000000e+00
             3     -2.000000e+00      1.000000e+00      1.000000e+00
             4      0.000000e+00     -1.000000e+00      1.000000e+00
             5      0.000000e+00     -1.000000e+00     -1.000000e+00
             6      0.000000e+00      1.000000e+00     -1.000000e+00
             7      0.000000e+00      1.000000e+00      1.000000e+00
             8      2.000000e+00     -1.000000e+00      1.000000e+00
             9      2.000000e+00     -1.000000e+00     -1.000000e+00
            10      2.000000e+00      1.000000e+00     -1.000000e+00
            11      2.000000e+00      1.000000e+00      1.000000e+00
    }
  }
  cells = {
    count = 2
    num-corners = 8
    simplices = {
             0       0       1       2       3       4       5       6       7
             1       4       5       6       7       8       9      10      11
    }
    material-ids = {
             0   7
             1   8
    }
  }
  group = {
    name = 2
    type = vertices
    count = 4
    indices = {
      8
      9
      10
      11
    }
  }
  group = {
    name = 4
    type = vertices
    count = 6
    indices = {
      0
      3
      4
      7
      8
      11
    }
  }
}
