void vojska(struct DLLNode *lista, int a, int b, int c, int d)
{
    if (lista->Next == lista || lista->Next->Next == lista)
    {
        return;
    }

    struct DLLNode *first1 = NULL;
    struct DLLNode *first2 = NULL;
    struct DLLNode *last1 = NULL;
    struct DLLNode *last2 = NULL;
    struct DLLNode *itr1 = lista->Next;
    while (itr1 != lista)
    {
        if (!first1 && itr1->Value == a)
        {
            first1 = itr1;
        }

        if (!first2 && itr1->Value == c)
        {
            first2 = itr1;
        }

        if (!last1 && itr1->Value == b)
        {
            last1 = itr1;
        }

        if (!last2 && itr1->Value == d)
        {
            last2 = itr1;
        }

        if (first1 && first2 && last1 && last2)
        {
            break;
        }

        itr1 = itr1->Next;
    }

    first1->Prev->Next = first2;
    first2->Prev->Next = first1;
    last1->Next->Prev = last2;
    last2->Next->Prev = last1;

    itr1 = first1->Prev == first2 ? first1 : first1->Prev;
    first1->Prev = first2->Prev;
    first2->Prev = itr1;

    itr1 = last1->Next == last2 ? last1 : last1->Next;
    last1->Next = last2->Next;
    last2->Next = itr1;
}