//为什么要5个场宽啊（恼

include

using namespace std; int n, colcnt, x; int ______;

void dfs(int row) {

if (________) {
	for (int i = 1; i <= n; i++)
		printf("___",a[i]);
	cout << endl;
	colcnt++;
	return;
}

for (int col = 1; col <= n; col++) {
	if (a1[col]) //当前列已经被占用
		_______
	if (a3[10 + row - col]) //主对角线被占用
		_______
	if (a2[row + col]) //副对角线被占用
		_______
	a[row] = col;
	a1[col] = 1;
	a2[row + col] = 1;
	a3[10 + row - col] = 1;
	dfs(row + 1);
	a1[col] = 0;
	a2[row + col] = 0;
	a3[10 + row - col] = 0;
}

}

int main() {

cin >> n;
dfs(1);
if (_______)
	cout << "no solute!";
return 0;

}