for (int h = 0; h < hss.size(); h++)
{
IHyperStructure hs = (IHyperStructure) hss.get(h);
OpenIntObjectHashMap sTierVertices = (OpenIntObjectHashMap) hs.getTiers().get(s);
ObjectArrayList intersections = (ObjectArrayList) structuresForConcordantShift.hsIntersections.get(h);
intersections.clear();
for (int sv = 0; sv < sTierSize; sv++)
{
IVertex sTierVertex = (IVertex) sTierVertices.values().get(sv);