HDF5 "out-onion.tst_onion_dset_1d.h5" {
GROUP "/" {
   DATASET "DS1" {
      DATATYPE  H5T_STD_I32LE
      DATASPACE  SIMPLE { ( 1, 16 ) / ( 1, 16 ) }
      DATA {
      (0,0): 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
      }
   }
}
}