private Cell getTopRightNeighbour(int i, int j) {
        Cell cell = null;
        if (i > 0 && j < Game.CELLS_COUNT - 1)
            cell = cells[i - 1][j + 1];
        else if (i == 0 && j < Game.CELLS_COUNT - 1)
            cell = cells[Game.CELLS_COUNT - 1][j + 1];
        else if (i > 0 && j == Game.CELLS_COUNT - 1)
            cell = cells[i - 1][0];
        else if (i == 0 && j == Game.CELLS_COUNT - 1)
            cell = cells[Game.CELLS_COUNT - 1][0];
        return cell;
    }