********************         REGION SUMMARY              ********************
  IZ  IS  IC CTAG BTAG   SLEN         ZLO          ZHI       IR FTAG MTAG MGEOM
   1               PRODUCTION
   2   1   0 NONE NONE  0.21600E+01  0.00000E+00  0.21600E+01 1 HORN VAC  CBLOCK
   3   1   0 NONE NONE  0.83200E+01  0.21600E+01  0.10480E+02 1 NONE VAC  CBLOCK
   4   1   0 NONE NONE  0.15500E+01  0.10480E+02  0.12030E+02 1 HORN VAC  CBLOCK
   5   1   0 NONE NONE  0.10000E+02  0.12030E+02  0.22030E+02 1 NONE VAC  CBLOCK