@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Position position = (Position) o;

        if (column != position.column) return false;

        //noinspection RedundantIfStatement
        if (row != position.row) return false;

        return true;
    }