string[] proxy_list = proxys.Split(new string[] { "\n" }, StringSplitOptions.None);
List<string> proxyList = new List<string>(proxy_list.Length);
proxyList.AddRange(proxy_list);
int proxy_count = proxyList.Count();

List<string>[] somelist = new List<string>[accounts_count];
somelist[0] = new List<string>();
int prx_i = 0;
for (int i = 0; i < accounts_count; i++)
{
    try
    {
          somelist[0].Add(accountsList[i] + '--' + proxyList[prx_i]);
          prx_i++;
    }
    catch
    {
          prx_i = 0;
    }
}