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