// similarity = e.g. 0.99f
// returns found image plus state
static FoundImgPlus<S> rgbRawSingleImageSearch_multiplePatterns_states(RGBImage big, LPair<RGBImage, S> patterns, float similarity) {
  FoundImgPlus<S> found = null;
  for (Pair<RGBImage, S> pat : patterns) {
    FoundImg found2 = rgbImageSearch_best(big, pat.a, similarity);
    if (found2 != null) {
      found = FoundImgPlus(found2.r, found2.sim, pat.b);
      similarity = found.sim;
    }
  }
  ret found;
}