#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for (auto i=(a); i<(b); ++i)
#define iter(it,c) for (auto it = (c).begin(); it != (c).end(); ++it)
typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<vi> vvi;
typedef long long ll;
const int INF = 2147483647;

int main() {
    cin.sync_with_stdio(false);

    clock_t start = clock();

    int ts;
    cin >> ts;

    vi found;
    rep(t,0,ts) {
        int n;
        cin >> n;

        vi arr(n);
        rep(i,0,n) {
            cin >> arr[i];
        }

        vi perm(n);
        rep(i,0,n) {
            perm[i] = i;
        }
        random_shuffle(perm.begin(), perm.end());

        bool ok = true;
        rep(at,0,n) {
            int i = perm[at];

            bool below = false;
            rep(j,i+1,n) {
                if (arr[j] < arr[i]) {
                    below = true;
                }
                if (arr[j] > arr[i] && below) {
                    ok = false;
                    break;
                }
            }
            if (!ok) {
                break;
            }

            clock_t cur = clock();
            if (static_cast<double>(cur - start) / CLOCKS_PER_SEC > 1.9) {
                break;
            }
        }

        if (!ok) {
            found.push_back(t);
        }
    }

    cout << found.size() << endl;
    iter(it,found) {
        cout << *it+1 << endl;
    }

    return 0;
}