#include <bits/stdc++.h>
using namespace std;
void solve() {
int n, m;
cin >> n >> m;
if ((n + 1) / 2 + m < (m + 1) / 2 + n) {
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cout << (j & 1 ? '+' : '-');
}
cout << '\n';
}
}
else {
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cout << (i & 1 ? '+' : '-');
}
cout << '\n';
}
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int tt;
cin >> tt;
while (tt--) {
solve();
}
return 0;
}
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