#include "bits/stdc++.h"
#define rep(i, a, n) for (auto i = a; i <= (n); i++)
#define revrep(i, a, n) for (auto i = n; i >= (a); i++)
#define all(a) a.begin(), a.end()
#define sz(a) (int)(a).size()

using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;


int main() {
	ios::sync_with_stdio(0); cin.tie(0);

	int cas; cin >> cas; while (cas--) {
		int a, b, c; cin >> a >> b >> c;
		vector<string> ans(c * 2 + b * 2 + 1, string(b * 2 + a * 2 + 1, '.'));
		rep(i, 0, b) {
			int off = (b - i) * 2;

			rep(j, 0, a) ans[i * 2][off + j * 2] = '+';
			rep(j, 0, a - 1) ans[i * 2][off + j * 2 + 1] = '-';
			if (i < b) rep(j, 0, a) ans[i * 2 + 1][off + j * 2 - 1] = '/';
		}
		rep(i, 0, c) {
			rep(j, 0, a) ans[b * 2 + i * 2][j * 2] = '+';
			if (i < c) rep(j, 0, a) ans[b * 2 + i * 2 + 1][j * 2] = '|';
			rep(j, 0, a - 1) ans[b * 2 + i * 2][j * 2 + 1] = '-';

			rep(j, 0, b) ans[b * 2 + i * 2 - j * 2][a * 2 + j * 2] = '+';
			if (i < c) rep(j, 0, b) ans[b * 2 + i * 2 - j * 2 + 1][a * 2 + j * 2] = '|';
			rep(j, 0, b - 1) ans[b * 2 + i * 2 - j * 2 - 1][a * 2 + j * 2 + 1] = '/';
		}
		for (auto &s: ans) puts(s.c_str());
	}
	return 0;
}