#include <bits/stdc++.h>
using namespace std;
const char block[10][10] = {
  "##+-+",
  "#/./|",
  "+-+.+",
  "|.|/#",
  "+-+##"
};
char ans[99][99];
void go(int x, int y) {
  for (int i = x - 4; i <= x; ++i)
    for (int j = y; j <= y + 4; ++j) {
      int m = i - (x - 4), n = j - y;
      if (block[m][n] != '#')
        ans[i][j] = block[m][n];
    }
}
void solve() {
  int a, b, c;
  cin >> a >> b >> c;
  int row = 1 + 2 * (b + c), col = 1 + 2 * (a + b);
  memset(ans, '.', sizeof ans);
  for (int i = 1; i <= b; ++i)
    for (int j = 1; j <= a; ++j) {
      int x = row - 2 * (b - i), y = 2 * (b - i) + 2 * (j - 1) + 1;
      for (int k = 1; k <= c; ++k)
        go(x, y), x -= 2;
    }
  for (int i = 1; i <= row; ++i, cout << '\n')
    for (int j = 1; j <= col; ++j)
      cout << ans[i][j];
}
int main() {
  //freopen("draw3.in", "r", stdin), freopen("draw3.out", "w", stdout);
  int T;
  cin >> T;
  while (T--) solve();
  return 0;
}