from typing import Tuple
from typing import Sequence


def get_neighbours(point: Tuple[int, int]) -> Sequence[Tuple[int, int]]:
    """Finds the neighbours of a point in 10x10 grid (including diagonals)."""
    r, c = point
    neighbours = []
    if r > 0:
        neighbours.append((r - 1, c))
        if c > 0:
            neighbours.append((r - 1, c - 1))
        if c < 9:
            neighbours.append((r - 1, c + 1))
    if r < 9:
        neighbours.append((r + 1, c))
        if c > 0:
            neighbours.append((r + 1, c - 1))
        if c < 9:
            neighbours.append((r + 1, c + 1))
    if c > 0:
        neighbours.append((r, c - 1))
    if c < 9:
        neighbours.append((r, c + 1))
    return tuple(neighbours)