C

#include <cstdio>
#include <iostream>
#include <string>

#define N 10

using namespace std;

int board[N][N];

void dfs(int move, int player) {
    if (player) {
        for (int i = 0; i < 8; i++)
            for (int j = 0; j < 7; j++) {
                if (board[i][j] == 1) {
                    board[i][j] = 0;
                    if (!j && !board[i][j + 2]) {
                        board[i][j + 2] = 1;
                        dfs();
                        board[i][j + 2] = 0;
                    }
                    if (!board[i][j + 1]) {
                        board[i][j + 1] = 1;
                        dfs();
                        board[i][j + 1] = 0;
                    }
                    board[i][j] = 1;
                }
            }
    }
    else {

    }
}

int main() {
    freopen("giveaway.in", "r", stdin);
    freopen("giveaway.out", "w", stdout);

    int t;
    cin >> t;

    for (int i = 0; i < t; i++) {
        int n;
        cin >> n;

        for (int i = 0; i <= n; i++) {
            string s;
            cin >> s;
            int x = int(s[0] - 'a'), y = (s[1] - '1');
            board[x][y] = ((i == n) ? 2 : 1);
        }
    }

    dfs(0, 0);

    return 0;
}