int main() {
int runs;
scanf("%d", &runs);
while (runs--) {
scanf("%d%d", &n, &m);
for (int i = 0; i < n; ++i) scanf("%s", mat[i]);
bool ans = true;
memset(vis, 0, sizeof(vis));
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ++j) {
if (mat[i][j] == 'F') {
if (!check_x(i, j)) {
ans = false;
break;
}
} else {
if (count_f(i, j) != mat[i][j] - '0') {
ans = false;
break;
}
}
}
if (!ans) break;
}
int cnt_vis = 0, cnt_flag = 0;
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ++j) {
if (vis[i][j]) ++cnt_vis;
if (mat[i][j] == 'F') ++cnt_flag;
}
}
if (ans && cnt_vis != cnt_flag) ans = false;
puts(ans ? "Well done Clark!" : "Please sweep the mine again!");
}
return 0;
}
inline bool check_dist_and_x(const char* function, const RealType& alpha, const RealType& beta, RealType x, RealType* result, const Policy& pol)
{
return check_dist(function, alpha, beta, result, pol)
&& check_x(function, x, result, pol);
} // bool check_dist_and_x
