int map[N][M] = {
    {0, 0, 0, 0, 0,   0, 0, 0, 0, 0,   0, 0, 0, 0, 0},
    {0, 1, 0, 0, 0,   0, 0, 0, 0, 3,   0, 0, 0, 0, 0},
    {0, 0, 0, 0, 0,   0, 0, 0, 0, 3,   0, 0, 0, 0, 0},
    {0, 0, 0, 3, 3,   3, 3, 0, 0, 0,   3, 3, 0, 0, 0},
    {0, 0, 0, 0, 0,   0, 3, 0, 0, 0,   3, 3, 0, 0, 0},

    {0, 0, 0, 0, 0,   0, 3, 3, 3, 0,   0, 0, 0, 0, 0},
    {0, 0, 0, 0, 0,   0, 0, 0, 3, 0,   2, 0, 0, 2, 0},
    {0, 0, 0, 0, 0,   0, 0, 2, 0, 0,   2, 0, 0, 2, 0},
    {0, 0, 0, 0, 0,   0, 2, 2, 2, 2,   2, 2, 2, 2, 0},
    {0, 0, 0, 0, 0,   0, 0, 0, 0, 0,   0, 0, 0, 0, 0}
};