// BBOX converted automatically from
// http://atlas.math.rwth-aachen.de/Atlas/lin/L261/words/L261G1-max2W1
function(S)
  // WARNING! This is not an SLP!
  w1 := S.1;
  w2 := S.2;
  w3 := w1 * w2;
  w2 := w3 * w3;
  w3 := w2^-1;
  w4 := w1 * w2;
  w2 := w3 * w4;
  return [w1,w2];
end function;