public void DublicatedPages()
{
var dublicated = _pageManager.DublicatePages(_groupDao.SourcePages, _groupDao.Group.Count);
int remainded = dublicated.Length % Infrastructure.Common.Properties.GetInstance().Groups;
_groupDao.DublicatedPages = remainded != 0
? _pageManager.AddEmptyPages(dublicated, Infrastructure.Common.Properties.GetInstance().Groups - remainded)
: dublicated;
}