Apartemazements.xml

<sequence values="BWN" symmetry="(xy)">
  <prl in="B" out="W"/>
  <prl in="***/***/*** ***/*W*/*** ***/***/***" out="***/***/*** ***/*B*/*** ***/***/***"/>
  <prl in="B W" out="B N"/>
  <wfc values="BYDAWP RFUENC" tileset="Paths">
    <rule in="W" out="Empty"/>
    <rule in="N" out="Empty|Line|Up|Turn|X"/>

    <prl in="B" out="C" comment="draw earth"/>
    <prl in="C * *" out="B * *" comment="remove extra earth"/>
    <prl in="C C" out="E N" comment="draw grass"/>
    <prl in="C" out="N"/>
    <prl in="Y" out="C" p="0.25" steps="1"/>
    <prl in="Y" out="B"/>

    <all comment="draw columns">
      <rule in="D B" out="* F"/>
      <rule in="F B" out="* F"/>
    </all>
    <all comment="remove extra columns">
      <rule in="FF EE" out="BB EE"/>
      <rule in="FF FD EE" out="FF BD EE"/>
      <rule in="F B" out="B B"/>
      <rule in="B F" out="B B"/>
      <rule in="F P" out="B P"/>
      <rule in="P* *F" out="** *B"/>
    </all>
    <all comment="draw corner columns">
      <rule in="*A*/ADB/*B* ***/*B*/***" out="***/***/*** ***/*F*/***"/>
      <rule in="F B" out="F F"/>
    </all>
    <all comment="place windows">
      <rule in="FBBBF *AAA*" out="*RRR* *****"/>
      <rule in="FBBBF *RRR*" out="*RRR* *****"/>
    </all>
    <prl comment="find h-uneven windows">
      <rule in="RFFR RFDA" out="U**U U***"/>
      <rule in="RFDA RFFR" out="U*** U**U"/>
    </prl>
    <all comment="mark h-uneven windows">
      <rule in="R U" out="U *"/>
      <rule in="U R" out="* U"/>
    </all>
    <prl in="RFFR/BBBB" out="*RR*/****" comment="merge h-even windows"/>
    <prl in="U" out="R" comment="erase markings"/>
    <prl comment="find v-uneven windows">
      <rule in="RR DA FR" out="UU ** *U"/>
      <rule in="FR DA RR" out="*U ** UU"/>
    </prl>
    <all comment="mark v-uneven windows">
      <rule in="RU" out="U*"/>
      <rule in="UR" out="*U"/>
    </all>
    <prl comment="merge v-even windows">
      <rule in="RB AB RB" out="RB RB RB"/>
      <rule in="RB DB RB" out="RB RB RB"/>
    </prl>
    <prl comment="forget structure">
      <rule in="F" out="A"/>
      <rule in="D" out="A"/>
      <rule in="P" out="A"/>
      <rule in="U" out="R"/>
    </prl>
    <prl in="AAAAA ARRRA ARRRA ARRRA ARRRA AAAAA" out="AAAAA AAAAA AAAAA AAAAA AAAAA AAAAA"/>
  </wfc>
</sequence>

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Some rendered outputs: https://github.com/mxgmn/Blog/blob/master/Apartemazements.md
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