// BBOX converted automatically from
// http://atlas.math.rwth-aachen.de/Atlas/spor/F22/words/F22G1-max13W2
function(S)
  // WARNING! This is not an SLP!
  w1 := S.1;
  w2 := S.2;
  w3 := w1 * w2;
  w4 := w3 * w2;
  w5 := w2 * w4;
  w7 := w3^-1;
  w6 := w7 * w5;
  w2 := w6 * w3;
  w5 := w4^13;
  w6 := w5^-1;
  w4 := w6 * w1;
  w1 := w4 * w5;
  return [w1,w2];
end function;