static void bfs(int p_x,int p_y,int p_z,int count){
        boolean flag = false;
        int new_x,new_y,new_z;
        for(int i = 0;i < 6;i++){
            new_x = p_x + dir[i][0][0];
            new_y = p_y + dir[i][0][1];
            new_z = p_z + dir[i][0][2];
            if(new_x >= 0 && new_x < x
                    && new_y >= 0
 
 && new_y < y
                    && new_z >= 0 && new_z < z){
                if(dungeon[new_z][new_x][new_y] == 1){
                    dungeon[new_z][new_x][new_y] = 5;  // 標記
                    visit[visitIndex++] = new_x;
                    visit[visitIndex++] = new_y;
                    visit[visitIndex++] = new_z;
                    flag = true
 
;
                } else if(dungeon[new_z][new_x][new_y] == 9) {
                    isSuccess = true;
                    steps = count;
                    return;
                }
            }
        }
        // bfs(visit[count-1],visit[count],visit[count+1],count = count + 1);
        if(flag){
            bfs(visit[count
 
-1],visit[count],visit[count+1],count = count + 1);
            dungeon[p_z][p_x][p_y] = 1;  // 標記
        } else {
            System.out.println("!!!!");
            // bfs(visit[count-1],visit[count],visit[count+1],count);
        }
    }