Untitled

#include<iostream>
using namespace std;

int a[7][8], c[7][8], T, re, d[7][7];
int dx[4] = {0, 1, 0, -1};
int dy[4] = {-1, 0, 1, 0};

bool checkXY(int x, int y) {
	if(x < 0 || x >= 7 || y < 0 || y >= 8)
		return false;
	return true;
}


void doing(int k) {
	/*cout << "HK " << k << endl;*/
	if(k == 28) {
		/*cout << "HK" << endl;*/
		re++;
		return;
	}
	int x = -1, y = -1;
	for(int i = 0; i < 7; i++) {
		for(int j = 0; j < 8; j++) {
			if(c[i][j] == 0) {
				x = i; y = j;
				break;
			}
		}
		if(x != -1)
			break;
	}
	for(int i = 0; i < 4; i++) {
		int newx = x + dx[i];
		int newy = y + dy[i];
		if(checkXY(newx, newy) && c[newx][newy] == 0) {
			if(d[a[x][y]][a[newx][newy]] == 0) {
				d[a[x][y]][a[newx][newy]] = 1;
				d[a[newx][newy]][a[x][y]] = 1;
				c[x][y] = 1;
				c[newx][newy] = 1;
				doing(k + 1);
				d[a[x][y]][a[newx][newy]] = 0;
				d[a[newx][newy]][a[x][y]] = 0;
				c[x][y] = 0;
				c[newx][newy] = 0;
			}
		}
	}
}

int main() {
	/*freopen("input.txt", "r", stdin);*/
	cin >> T;
	for(int t = 0; t < T; t++) {
		for(int i = 0; i < 7; i++) {
			for(int j = 0; j < 8; j++) {
				cin >> a[i][j];
			}
		}
		for(int i = 0; i < 7; i++) {
			for(int j = 0; j < 7; j++) {
				d[i][j] = 0;
			}
		}
		for(int i = 0; i < 7; i++) {
			for(int j = 0; j < 8; j++) {
				c[i][j] = 0;
			}
		}
		re = 0;
		doing(0);
		cout << "Case #" << t + 1 << endl << re << endl;
	}
	return 0;
}