static L<Matches> flexMatchIC2_left_multi(L<S> tokpat, L<S> toks) {
  new L<Matches> out;
  if (l(tokpat) == 7 && eq(tokpat.get(1), "*") && neq(tokpat.get(3), "*") && eq(tokpat.get(5), "*")) {
    S middle = indexOf(toks, tokpat.get(3));
    for (int i : reverseIndexesOf(toks, middle))
      out.add(new Matches(join(subList(toks, 0, i)), join(subList(toks, i+1))));
  } else {
    new Matches m;
    if (flexMatchIC2_left(tokpat, toks, false))
      out.add(m);
  }
  ret out;
}