DBG("Step... regions_count=%u heap_count=%u region->count=%u, region->e=%u",
regions_count, heap_count, region->count, (uns)region->e);
if (region->count < 2 ||
DBG("Step... regions_count=%u heap_count=%u region->count=%u, region->e=%u",
regions_count, heap_count, region->count, (uns)region->e);
if (region->count < 2 ||