public IActionResult Task4Result( [ModelBinder(typeof(IntArrayModelBinder))] IEnumerable <int> firstCollection, [ModelBinder(typeof(IntArrayModelBinder))] IEnumerable <int> secondCollection) { var numProcessor = new NumericCollectionsProcessor(); var result = numProcessor.GetIntersectionsAndSquares(firstCollection, secondCollection); return(PartialView(result)); }