Solution
@{ ViewBag.ProductIdList = new List { 492, 491, 486 }; }##ProductListBlock##
@{
ViewBag.ProductIdList = new List { 485, 488 };
} ##ProductListBlock##
@{
ViewBag.ProductIdList = new List { 489, 484 };
}##ProductListBlock##
@{
ViewBag.ProductIdList = new List { 490 };
}##ProductListBlock##
