#ifdef LOCAL
#define _GLIBCXX_DEBUG
#endif
#include<bits/stdc++.h>
using namespace std;
#define rep(i,s,t) for(ll i = (ll)(s); i < (ll)(t); i++)
#define rrep(i,s,t) for(ll i = (ll)(s-1);(ll)(t) <= i; i--)
#define all(x) (x).begin(), (x).end()
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> Pll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<vvl> vvvl;
constexpr ll INF = numeric_limits<ll>::max()/4;
constexpr ll n_max = 2e5+10;
#define int ll

template <typename A, typename B>
string to_string(pair<A, B> p);
string to_string(const string &s) {return '"' + s + '"';}
string to_string(const char *c) {return to_string((string) c);}
string to_string(bool b) {return (b ? "true" : "false");}
template <size_t N>
string to_string(bitset<N> v){
    string res = "";
    for(size_t i = 0; i < N; i++) res += static_cast<char>('0' + v[i]);
    return res;
}
template <typename A>
string to_string(A v) {
    bool first = true;
    string res = "{";
    for(const auto &x : v) {
        if(!first) res += ", ";
        first = false;
        res += to_string(x);
    }
    res += "}";
    return res;
}
template <typename A, typename B>
string to_string(pair<A, B> p){return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";}

void debug_out() {cerr << endl;}
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cerr << " " << to_string(H);
    debug_out(T...);
}

#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

template<class T>
bool chmax(T &a, T b){if(a < b){a = b; return true;} return false;}
template<class T>
bool chmin(T &a, T b){if(a > b){a = b; return true;} return false;}

template<std::int_fast64_t Modulus>
class modint {
    using i64 = int_fast64_t;

    public:
    i64 a;

    constexpr modint(const i64 x = 0) noexcept {
        this -> a = x % Modulus;
        if(a < 0){
            a += Modulus;
        }
    }
    constexpr int getmod() { return Modulus; }
    constexpr modint operator - () const noexcept {
        return a ? Modulus - a : 0;
    }
    constexpr const i64 &value() const noexcept {return a;}
    constexpr modint operator+(const modint rhs) const noexcept {
        return modint(*this) += rhs;
    }
    constexpr modint operator-(const modint rhs) const noexcept {
        return modint(*this) -= rhs;
    }
    constexpr modint operator*(const modint rhs) const noexcept {
        return modint(*this) *= rhs;
    }
    constexpr modint operator/(const modint rhs) const noexcept {
        return modint(*this) /= rhs;
    }
    constexpr modint &operator+=(const modint rhs) noexcept {
        a += rhs.a;
        if(a >= Modulus) {
            a -= Modulus;
        }
        return *this;
    }
    constexpr modint &operator-=(const modint rhs) noexcept {
        if(a < rhs.a) {
            a += Modulus;
        }
        a -= rhs.a;
        return *this;
    }
    constexpr modint &operator*=(const modint rhs) noexcept {
        a = a * rhs.a % Modulus;
        return *this;
    }
    constexpr modint &operator/=(modint rhs) noexcept {
        i64 a_ = rhs.a, b = Modulus, u = 1, v = 0;
        while(b){
            i64 t = a_/b;
            a_ -= t * b; swap(a_,b);
            u -= t * v; swap(u,v);
        }
        a = a * u % Modulus;
        if(a < 0) a += Modulus;
        return *this;
    }
    
    // 自前実装
    constexpr bool operator==(const modint rhs) noexcept {
        return a == rhs.a;
    }
    constexpr bool operator!=(const modint rhs) noexcept {
        return a != rhs.a;
    }
    constexpr bool operator>(const modint rhs) noexcept {
        return a > rhs.a;
    }
    constexpr bool operator>=(const modint rhs) noexcept {
        return a >= rhs.a;
    }
    constexpr bool operator<(const modint rhs) noexcept {
        return a < rhs.a;
    }
    constexpr bool operator<=(const modint rhs) noexcept {
        return a <= rhs.a;
    }
    constexpr modint& operator++() noexcept {
        return (*this) += modint(1);
    }
    // constexpr modint operator++(int) {
    //     modint tmp(*this);
    //     operator++();
    //     return tmp;
    // }
    constexpr modint& operator--() noexcept {
        return (*this) -= modint(1);
    }
    // constexpr modint operator--(int) {
    //     modint tmp(*this);
    //     operator--();
    //     return tmp;
    // }
    template<typename T>
    friend constexpr modint modpow(const modint &mt, T n) noexcept {
        if(n < 0){
            modint t = (modint(1) / mt);
            return modpow(t, -n);
        }
        modint res = 1, tmp = mt;
        while(n){
            if(n & 1)res *= tmp;
            tmp *= tmp;
            n /= 2;
        }
        return res;
    }

    friend constexpr string to_string(const modint &mt) noexcept {
        return to_string(mt.a);
    }
};

// 標準入出力対応
template<std::int_fast64_t Modulus>
std::ostream &operator<<(std::ostream &out, const modint<Modulus> &m) {
    out << m.a;
    return out;
}
template<std::int_fast64_t Modulus>
std::istream &operator>>(std::istream &in, modint<Modulus> &m) {
    ll a;
    in >> a;
    m = modint<Modulus>(a);
    return in;
}

// const ll MOD = 1e9+7;
const ll MOD = 998244353;
using mint = modint<MOD>;
template<class T> struct BiCoef {
    vector<T> fact_, inv_, finv_;
    constexpr BiCoef() {}
    constexpr BiCoef(int n) noexcept : fact_(n, 1), inv_(n, 1), finv_(n, 1) {
        init(n);
    }
    constexpr void init(int n) noexcept {
        fact_.assign(n, 1), inv_.assign(n, 1), finv_.assign(n, 1);
        int MOD = fact_[0].getmod();
        for(int i = 2; i < n; i++){
            fact_[i] = fact_[i-1] * i;
            inv_[i] = -inv_[MOD%i] * (MOD/i);
            finv_[i] = finv_[i-1] * inv_[i];
        }
    }
    constexpr T com(int n, int k) const noexcept {
        if (n < k || n < 0 || k < 0) return 0;
        return fact_[n] * finv_[k] * finv_[n-k];
    }
    constexpr T fact(int n) const noexcept {
        if (n < 0) return 0;
        return fact_[n];
    }
    constexpr T inv(int n) const noexcept {
        if (n < 0) return 0;
        return inv_[n];
    }
    constexpr T finv(int n) const noexcept {
        if (n < 0) return 0;
        return finv_[n];
    }
};

BiCoef<mint> bc(n_max);

struct item{
    ll x, y, id;
    item(){}
    item(ll x, ll y, ll id):x(x), y(y), id(id) {}
};

template< typename Monoid >
struct SegmentTree {
    using F = function< Monoid(Monoid, Monoid) >;

    int sz;
    vector< Monoid > seg;

    const F f;
    const Monoid M1;
    SegmentTree(const int n, const F f, const Monoid &M1) : f(f), M1(M1) {
        sz = 1;
        while(sz < n)sz <<= 1;
        seg.assign(2*sz, M1);
    }

    void set(int k, const Monoid &x) {
        seg[k + sz] = x;
    }

    void build(vector< Monoid > &vec) {
        for(int i = 0; i < vec.size(); i++)set(i, vec[i]);
        for(int k = sz - 1; k > 0; k--) {
            seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
        }
    }

    void update(int k, const Monoid &x) {
        k += sz;
        seg[k] += x;
        while(k >>= 1) {
            seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
        }
    }

    Monoid query(int a, int b) {
        Monoid L = M1, R = M1;
        for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
            if(a & 1) L = f(L, seg[a++]);
            if(b & 1) R = f(seg[--b], R);
        }
        return f(L, R);
    }

    Monoid operator[] (const int &k) const {
        return seg[k + sz];
    }

    template< typename C >
    int find_subtree(int a, const C &check, Monoid &M, bool type) {
        while(a < sz) {
            Monoid nxt = type ? f(seg[2 * a + type], M) : f(M, seg[2 * a + type]);
            if(check(nxt)) a = 2 * a + type;
            else M = nxt, a = 2 * a + 1 - type;
        }
        return a - sz;
    }

    template< typename C >
    int find_first(int a, const C &check) {
        Monoid L = M1;
        if(a <= 0) {
            if(check(f(L, seg[1]))) return find_subtree(1, check, L, false);
            return -1;
        }
        int b = sz;
        for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
            if(a & 1) {
                Monoid nxt = f(L, seg[a]);
                if(check(nxt)) return find_subtree(a, check, L, false);
                L = nxt;
                ++a;
            }
        }
        return -1;
    }

    template< typename C >
    int find_last(int b, const C &check) {
        Monoid R = M1;
        if(b >= sz) {
            if(check(f(seg[1], R))) return find_subtree(1, check, R, true);
            return -1;
        }
        int a = sz;
        for(b += sz; a < b; a >>= 1, b >>= 1) {
            if(b & 1){
                Monoid nxt = f(seg[--b], R);
                if(check(nxt)) return find_subtree(b, check, R, true);
                R = nxt;
            }
        }
        return -1;
    }
};

signed main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    vector<mint> tp(n_max);
    tp[0] = 1;
    rep(i,0,n_max-1) tp[i + 1] = tp[i] * 2;
    ll n; cin >> n;
    map<ll, ll> xmp, ymp;
    vector<item> v(n);
    rep(i,0,n){
        ll x,y; cin >> x >> y;
        xmp[x] = 1;
        ymp[y] = 1;
        v[i] = {x, y, i};
    }
    ll id = 0;
    for(auto &p : xmp){
        p.second = id++;
    }
    id = 0;
    for(auto &p : ymp){
        p.second = id++;
    }
    rep(i,0,n){
        v[i].x = xmp[v[i].x];
        v[i].y = ymp[v[i].y];
        debug(v[i].x, v[i].y);
    }

    vector<mint> ans(n, -1);
    vector<ll> clear(n);
    SegmentTree<ll> seg(n, [&](ll a, ll b){return a + b;}, 0);
    sort(all(v), [&](const auto &a, const auto &b){
        return a.x < b.x;
    });
    id = 0;
    // 左から
    while(id < n){
        vector<ll> t;
        ll x = v[id].x, y = v[id].y;
        while(id < n && v[id].x == x){
            seg.update(v[id].y, 1);
            t.emplace_back(v[id].id);
            id++;
        }
        ll s = seg.query(0, n);
        s--;
        ll c = t.size()-1;
        for(auto &i : t){
            debug(ans[i]);
            ans[i] += tp[s];
            ll d = seg.query(0, y+1) - 1;
            ans[i] -= tp[d] + tp[s-d];
            ll l = seg.query(y, y+1) - 1;
            ans[i] += tp[l];
            ans[i] -= tp[c];
            debug(i, s, d, l, ans[i]);
        }
    }
    debug(id, ans);
    seg.build(clear);
    id--;
    // 右から
    while(id >= 0){
        vector<ll> t;
        ll x = v[id].x, y = v[id].y;
        while(id >= 0 && v[id].x == x){
            seg.update(v[id].y, 1);
            t.emplace_back(v[id].id);
            id--;
        }
        ll s = seg.query(0, n);
        s--;
        for(auto &i : t){
            ans[i] += tp[s];
            ll d = seg.query(0, y+1) - 1;
            ans[i] -= tp[d] + tp[s-d];
            ll r = seg.query(y, y+1) - 1;
            ans[i] += tp[r];
        }
    }

    sort(all(v), [&](const auto &a, const auto &b){
        return a.y < b.y;
    });
    debug(id, ans);
    // 下から
    seg.build(clear);
    id++;
    while(id < n){
        vector<ll> t;
        ll x = v[id].x, y = v[id].y;
        while(id < n && v[id].y == y){
            seg.update(v[id].x, 1);
            t.emplace_back(v[id].id);
            id++;
        }
        ll s = seg.query(0, n);
        s--;
        ll c = t.size()-1;
        for(auto &i : t){
            ans[i] += tp[s];
            ll l = seg.query(x, x+1) - 1;
            ans[i] += tp[l];
            ans[i] -= tp[c];
            debug(i,l,c,ans[i]);
        }
    }
    debug(id, ans);
    seg.build(clear);
    // 上から
    id--;
    while(id >= 0){
        vector<ll> t;
        ll x = v[id].x, y = v[id].y;
        while(id >= 0 && v[id].y == y){
            seg.update(v[id].x, 1);
            t.emplace_back(v[id].id);
            id--;
        }
        ll s = seg.query(0, n);
        s--;
        for(auto &i : t){
            ans[i] += tp[s];
            ll r = seg.query(x, x+1) - 1;
            ans[i] += tp[r];
        }
    }

    debug(id, ans);
    debug(ans);

    mint ret = 0;
    rep(i,0,n)ret += tp[n] - ans[i];
    cout << ret << "\n";
}

Measured memory_bytes: 46496