_raw/all_interval_n9__v4_nh.xml

<instance format="XCSP3" type="CSP">
  <variables>
    <array id="x" size="[9]"> 0..8 </array>
    <array id="d" size="[8]"> 1..8 </array>
  </variables>
  <constraints>
    <allDifferent> x[] </allDifferent>
    <allDifferent> d[] </allDifferent>
    <group>
      <intension> eq(%0,dist(%1,%2)) </intension>
      <args> d[0] x[1] x[0] </args>
      <args> d[1] x[2] x[1] </args>
      <args> d[2] x[3] x[2] </args>
      <args> d[3] x[4] x[3] </args>
      <args> d[4] x[5] x[4] </args>
      <args> d[5] x[6] x[5] </args>
      <args> d[6] x[7] x[6] </args>
      <args> d[7] x[8] x[7] </args>
    </group>
  </constraints>
</instance>