#include <bits/stdc++.h>
using namespace std;
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template <typename T, typename V>
void __print(const pair<T, V> &x) {
  cerr << '{';
  __print(x.first);
  cerr << ',';
  __print(x.second);
  cerr << '}';
}
template <typename T>
void __print(const T &x) {
  int f = 0;
  cerr << '{';
  for (auto &i : x) cerr << (f++ ? "," : ""), __print(i);
  cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V>
void _print(T t, V... v) {
  __print(t);
  if (sizeof...(v)) cerr << ", ";
  _print(v...);
}
void test_case() {
  int n;
  cin >> n;
  vector<int> a(n);
  set<int> st;
  vector<int> ans;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  for (int i = 0; i < n; i++) {
    int sum = 0;
    bool flag = true;
    for (int j = 0; j < n; j++) {
      sum += a[j];
      if (sum == 0) {
        flag = false;
        break;
      }
    }
    if (flag) {
      ans = a;
      break;
    }
    int tmp = a[0];
    for (int i = 0; i < n - 1; i++) {
      a[i] = a[i + 1];
    }
    a[n - 1] = tmp;
  }
  if (ans.size() == 0) {
    cout << "NO";
  } else {
    cout << "YES\n";
    for (int x : ans) {
      cout << x << ' ';
    }
  }
  cout << endl;
}
int main() {
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  int t = 1;
  cin >> t;
  while (t--) {
    test_case();
  }
  return 0;
}
