def build_cluster(map_grid, row, column):
    itr = r.randint(1, 3)
    while (itr > 0):
        map_grid[row][column] = c.WALL
        next_direction = r.choice(get_valid_cardinals(map_grid, row, column, False))
        row += c.CARDINAL_VECTORS[next_direction][c.Y_INDEX]
        column += c.CARDINAL_VECTORS[next_direction][c.X_INDEX]
        itr -= 1
def build_cluster(map_grid, row, column):
    itr = r.randint(1, 3)
    while (itr > 0):
        map_grid[row][column] = c.WALL
        next_direction = r.choice(get_valid_cardinals(map_grid, row, column, False))
        row += c.CARDINAL_VECTORS[next_direction][c.Y_INDEX]
        column += c.CARDINAL_VECTORS[next_direction][c.X_INDEX]
        itr -= 1