NO + sGCfast <-> NO_sGCfast NO_sGCfast -> NO_sGCfast_6coord NO_sGCfast_6coord <-> NO_sGCfast_5coord NO + sGCslow <-> NO_sGCslow NO_sGCslow -> NO_sGCslow_6coord NO + NO_sGCslow_6coord <-> NO_sGCslow_6coord_NO_int NO_sGCslow_6coord_NO_int <-> NO_sGCslow_5coord