<sequence values="BWRUGE">
  <one in="B" out="W" steps="1"/>
  <one in="B" out="R" steps="1"/>
  <one>
    <rule in="RB" out="RR"/>
    <rule in="WB" out="WW"/>
  </one>
  <all in="RW" out="UU"/>
  <all>
    <rule in="W" out="B"/>
    <rule in="R" out="B"/>
  </all>
  <all in="UB" out="UU" steps="1"/>
  <all in="BU/UB" out="U*/**"/>
  <all in="UB" out="*G"/>
  <one in="B" out="E" steps="13"/>
  <one>
    <rule in="EB" out="*E"/>
    <rule in="GB" out="*G"/>
  </one>
</sequence>
