var catalog = GetBcCatalog();
int[] categoryIds = { catalog.FindNode("Building Blocks").Id };

foreach (int categoryId in categoryIds) {
    var page = GetCatalogPage(categoryId);
    int i = 0;
    foreach (var offer in page.Offers) {
        if (i >= 69) break;
        Send(Out.BuildersClubPlaceRoomItem, categoryId, offer.Id, "", i % 20 + 1, (i < 40) ? 1 : 2, 0);
        Log(offer.GetType().GenericParameterAttributes);
        Delay(180);
        i++;
    }
}