<?xml version='1.0' encoding='utf-8'?>
<geometry>
  <cell id="1" material="1" name="fuel" region="1 -2 3 -4 5 -6" universe="1" />
  <cell id="2" material="2" name="clad" region="(-1 | 2 | -3 | 4 | -5 | 6) (7 -8 9 -10 11 -12)" universe="1" />
  <cell id="3" material="3" name="water" region="(-7 | 8 | -9 | 10 | -11 | 12) (13 -14 15 -16 17 -18)" universe="1" />
  <surface coeffs="-5.0" id="1" name="minimum x" type="x-plane" />
  <surface coeffs="5.0" id="2" name="maximum x" type="x-plane" />
  <surface coeffs="-5.0" id="3" name="minimum y" type="y-plane" />
  <surface coeffs="5.0" id="4" name="maximum y" type="y-plane" />
  <surface coeffs="-5.0" id="5" name="minimum z" type="z-plane" />
  <surface coeffs="5.0" id="6" name="maximum z" type="z-plane" />
  <surface coeffs="-6.0" id="7" name="minimum x" type="x-plane" />
  <surface coeffs="6.0" id="8" name="maximum x" type="x-plane" />
  <surface coeffs="-6.0" id="9" name="minimum y" type="y-plane" />
  <surface coeffs="6.0" id="10" name="maximum y" type="y-plane" />
  <surface coeffs="-6.0" id="11" name="minimum z" type="z-plane" />
  <surface coeffs="6.0" id="12" name="maximum z" type="z-plane" />
  <surface boundary="vacuum" coeffs="-15" id="13" name="minimum x" type="x-plane" />
  <surface boundary="vacuum" coeffs="15" id="14" name="maximum x" type="x-plane" />
  <surface boundary="vacuum" coeffs="-15" id="15" name="minimum y" type="y-plane" />
  <surface boundary="vacuum" coeffs="15" id="16" name="maximum y" type="y-plane" />
  <surface boundary="vacuum" coeffs="-15" id="17" name="minimum z" type="z-plane" />
  <surface boundary="vacuum" coeffs="15" id="18" name="maximum z" type="z-plane" />
</geometry>
<?xml version='1.0' encoding='utf-8'?>
<materials>
  <material depletable="true" id="1" name="fuel">
    <density units="g/cc" value="4.5" />
    <nuclide ao="1.0" name="U235" />
  </material>
  <material id="2" name="zircaloy">
    <density units="g/cc" value="5.77" />
    <nuclide ao="0.5145" name="Zr90" />
    <nuclide ao="0.1122" name="Zr91" />
    <nuclide ao="0.1715" name="Zr92" />
    <nuclide ao="0.1738" name="Zr94" />
    <nuclide ao="0.028" name="Zr96" />
  </material>
  <material id="3" name="water">
    <density units="atom/b-cm" value="0.07416" />
    <nuclide ao="2.0" name="H1" />
    <nuclide ao="1.0" name="O16" />
  </material>
</materials>
<?xml version='1.0' encoding='utf-8'?>
<settings>
  <run_mode>fixed source</run_mode>
  <particles>1000</particles>
  <batches>10</batches>
  <source strength="1.0">
    <space origin="0.0 0.0 0.0" type="spherical">
      <r parameters="0.0 0.0" type="uniform" />
      <theta type="discrete">
        <parameters>0.0 1.0</parameters>
      </theta>
      <phi type="discrete">
        <parameters>0.0 1.0</parameters>
      </phi>
    </space>
    <energy type="discrete">
      <parameters>15000000.0 1.0</parameters>
    </energy>
  </source>
</settings>
<?xml version='1.0' encoding='utf-8'?>
<tallies>
  <mesh id="1">
    <dimension>10 10 10</dimension>
    <lower_left>-10.0 -10.0 -10.0</lower_left>
    <upper_right>10.0 10.0 10.0</upper_right>
  </mesh>
  <mesh id="2" library="moab" type="unstructured">
    <filename>test_mesh_tets_w_holes.e</filename>
  </mesh>
  <filter id="1" type="mesh">
    <bins>1</bins>
  </filter>
  <filter id="2" type="mesh">
    <bins>2</bins>
  </filter>
  <tally id="1" name="regular mesh tally">
    <filters>1</filters>
    <scores>flux</scores>
    <estimator>collision</estimator>
  </tally>
  <tally id="2" name="unstructured mesh tally">
    <filters>2</filters>
    <scores>flux</scores>
    <estimator>collision</estimator>
  </tally>
</tallies>
