#include <bits/stdc++.h>
// created [2019/11/18] 16:18:31
#pragma GCC diagnostic ignored "-Wsign-compare"
#pragma GCC diagnostic ignored "-Wsign-conversion"

using i32 = int32_t;
using i64 = int64_t;
using u32 = uint32_t;
using u64 = uint64_t;
using uint = unsigned int;
using usize = std::size_t;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
template<typename T> constexpr T popcount(const T u) { return u ? static_cast<T>(__builtin_popcountll(static_cast<u64>(u))) : static_cast<T>(0); }
template<typename T> constexpr T log2p1(const T u) { return u ? static_cast<T>(64 - __builtin_clzll(static_cast<u64>(u))) : static_cast<T>(0); }
template<typename T> constexpr T msbp1(const T u) { return log2p1(u); }
template<typename T> constexpr T lsbp1(const T u) { return __builtin_ffsll(u); }
template<typename T> constexpr T clog(const T u) { return u ? log2p1(u - 1) : static_cast<T>(u); }
template<typename T> constexpr bool ispow2(const T u) { return u and (static_cast<u64>(u) & static_cast<u64>(u - 1)) == 0; }
template<typename T> constexpr T ceil2(const T u) { return static_cast<T>(1) << clog(u); }
template<typename T> constexpr T floor2(const T u) { return u == 0 ? static_cast<T>(0) : static_cast<T>(1) << (log2p1(u) - 1); }
template<typename T> constexpr bool btest(const T mask, const usize ind) { return static_cast<bool>((static_cast<u64>(mask) >> ind) & static_cast<u64>(1)); }
template<typename T> void bset(T& mask, const usize ind) { mask |= (static_cast<T>(1) << ind); }
template<typename T> void breset(T& mask, const usize ind) { mask &= ~(static_cast<T>(1) << ind); }
template<typename T> void bflip(T& mask, const usize ind) { mask ^= (static_cast<T>(1) << ind); }
template<typename T> void bset(T& mask, const usize ind, const bool b) { (b ? bset(mask, ind) : breset(mask, ind)); }
template<typename T> constexpr T bcut(const T mask, const usize ind) { return ind == 0 ? static_cast<T>(0) : static_cast<T>((static_cast<u64>(mask) << (64 - ind)) >> (64 - ind)); }
template<typename T> bool chmin(T& a, const T& b) { return (a > b ? a = b, true : false); }
template<typename T> bool chmax(T& a, const T& b) { return (a < b ? a = b, true : false); }
constexpr unsigned int mod                  = 1000000007;
template<typename T> constexpr T inf_v      = std::numeric_limits<T>::max() / 4;
template<typename Real> constexpr Real pi_v = Real{3.141592653589793238462643383279502884};

template<typename T>
T read()
{
    T v;
    return std::cin >> v, v;
}
template<typename T, typename... Args>
auto read(const usize size, Args... args)
{
    std::vector<decltype(read<T>(args...))> ans(size);
    for (usize i = 0; i < size; i++) { ans[i] = read<T>(args...); }
    return ans;
}
template<typename... Types>
auto reads() { return std::tuple<std::decay_t<Types>...>{read<Types>()...}; }
#    define SHOW(...) static_cast<void>(0)

template<typename T>
std::vector<T> make_v(const usize size, const T v) { return std::vector<T>(size, v); }
template<typename... Args>
auto make_v(const usize size, Args... args) { return std::vector<decltype(make_v(args...))>(size, make_v(args...)); }

template<usize lg>
class wavelet_matrix
{
public:
    using value_type = u64;
    template<typename InIt>
    wavelet_matrix(const InIt first, const InIt last) : sz{static_cast<usize>(std::distance(first, last))}
    {
        for (usize i = 0; i < lg; i++) { zero[i] = 0, table[i] = fid(sz); }
        std::vector<value_type> v{first, last};
        std::vector<value_type> z(sz), o(sz);
        usize zn = 0, on = 0;
        for (usize d = 0; d < lg; d++) {
            zn = 0, on = 0;
            for (usize i = 0; i < sz; i++) {
                const bool b = btest(v[i], lg - d - 1);
                table[d].set(i, b), (b ? o[on++] : z[zn++]) = v[i];
            }
            table[d].build(), zero[d] = zn, std::swap(v, z);
            for (usize i = 0; i < on; i++) { v[zn + i] = o[i]; }
        }
    }
    usize less_than(usize l, usize r, const value_type v) const
    {
        assert(l <= r);
        usize ans = 0;
        for (usize i = 0; i < lg; i++) {
            const usize zl = table[i].zero(l), zr = table[i].zero(r), z = zero[i];
            if (btest(v, lg - i - 1)) {
                ans += zr - zl, l += z - zl, r += z - zr;
            } else {
                l = zl, r = zr;
            }
        }
        return ans;
    }
    usize range_freq(const usize l, const usize r, const value_type vmin, const value_type vsup) const { return less_than(l, r, vsup) - less_than(l, r, vmin); }
    value_type quantile(usize l, usize r, usize n) const
    {
        assert(l <= r), assert(r - l > n);
        value_type ans = 0;
        for (usize i = 0; i < lg; i++) {
            const usize zl = table[i].zero(l), zr = table[i].zero(r), z = zero[i];
            if (n >= zr - zl) {
                ans += value_type(1) << (lg - i - 1), l += z - zl, r += z - zr, n -= (zr - zl);
            } else {
                l = zl, r = zr;
            }
        }
        return ans;
    }

private:
    static constexpr usize bucket_size = sizeof(value_type) * 8;
    static constexpr usize bslog       = log2p1(bucket_size) - 1;
    static constexpr usize wind(const usize n) { return n >> (bslog); }
    static constexpr usize bind(const usize n) { return bcut(n, bslog); }
    class fid
    {
    private:
        usize sz, bn;
        std::vector<value_type> data;
        std::vector<usize> large;

    public:
        fid() : sz{0} {}
        fid(const usize b) : sz{b}, bn{wind(sz) + 2}, data(bn, 0), large(bn, 0) {}
        void build()
        {
            for (usize i = 1; i < large.size(); i++) { large[i] = large[i - 1] + popcount(data[i - 1]); }
        }
        bool operator[](const usize n) const { return btest(data[wind(n)], bind(n)); }
        void set(const usize n, const bool b) { bset(data[wind(n)], bind(n), b); }
        usize one(const usize n) const { return large[wind(n)] + popcount(bcut(data[wind(n)], bind(n))); }
        usize zero(const usize n) const { return n - one(n); }
    };
    const usize sz;
    std::array<usize, lg> zero;
    std::array<fid, lg> table;
};


template<typename T> T gcd(const T& a, const T& b) { return a < 0 ? gcd(-a, b) : b < 0 ? gcd(a, -b) : (a > b ? gcd(b, a) : a == 0 ? b : gcd(b % a, a)); }
template<typename T> T lcm(const T& a, const T& b) { return a / gcd(a, b) * b; }
template<typename T>
constexpr std::pair<T, T> extgcd(const T a, const T b)
{
    if (b == 0) { return std::pair<T, T>{1, 0}; }
    const auto g = gcd(a, b), da = std::abs(b) / g;
    const auto p = extgcd(b, a % b);
    const auto x = (da + p.second % da) % da, y = (g - a * x) / b;
    return {x, y};
}
template<typename T>
constexpr T inverse(const T a, const T mod) { return extgcd(a, mod).first; }
template<uint mod_value, bool dynamic = false>
class modint_base
{
public:
    template<typename UInt = uint>
    static std::enable_if_t<dynamic, const UInt> mod() { return mod_ref(); }
    template<typename UInt = uint>
    static constexpr std::enable_if_t<not dynamic, const UInt> mod() { return mod_value; }
    template<typename UInt = uint>
    static void set_mod(const std::enable_if_t<dynamic, const UInt> mod) { mod_ref() = mod, inv_ref() = {1, 1}; }
    modint_base() : v{0} {}
    modint_base(const ll val) : v{norm(static_cast<uint>(val % static_cast<ll>(mod()) + static_cast<ll>(mod())))} {}
    modint_base(const modint_base& n) : v{n()} {}
    explicit operator bool() const { return v != 0; }
    bool operator!() const { return not static_cast<bool>(*this); }
    modint_base& operator=(const modint_base& m) { return v = m(), (*this); }
    modint_base& operator=(const ll val) { return v = norm(uint(val % static_cast<ll>(mod()) + static_cast<ll>(mod()))), (*this); }
    friend modint_base operator+(const modint_base& m) { return m; }
    friend modint_base operator-(const modint_base& m) { return make(norm(mod() - m.v)); }
    friend modint_base operator+(const modint_base& m1, const modint_base& m2) { return make(norm(m1.v + m2.v)); }
    friend modint_base operator-(const modint_base& m1, const modint_base& m2) { return make(norm(m1.v + mod() - m2.v)); }
    friend modint_base operator*(const modint_base& m1, const modint_base& m2) { return make(static_cast<uint>(static_cast<ll>(m1.v) * static_cast<ll>(m2.v) % static_cast<ll>(mod()))); }
    friend modint_base operator/(const modint_base& m1, const modint_base& m2) { return m1 * inv(m2.v); }
    friend modint_base operator+(const modint_base& m, const ll val) { return modint_base{static_cast<ll>(m.v) + val}; }
    friend modint_base operator-(const modint_base& m, const ll val) { return modint_base{static_cast<ll>(m.v) - val}; }
    friend modint_base operator*(const modint_base& m, const ll val) { return modint_base{static_cast<ll>(m.v) * (val % static_cast<ll>(mod()))}; }
    friend modint_base operator/(const modint_base& m, const ll val) { return modint_base{static_cast<ll>(m.v) * inv(val)}; }
    friend modint_base operator+(const ll val, const modint_base& m) { return modint_base{static_cast<ll>(m.v) + val}; }
    friend modint_base operator-(const ll val, const modint_base& m) { return modint_base{-static_cast<ll>(m.v) + val}; }
    friend modint_base operator*(const ll val, const modint_base& m) { return modint_base{static_cast<ll>(m.v) * (val % static_cast<ll>(mod()))}; }
    friend modint_base operator/(const ll val, const modint_base& m) { return modint_base{val * inv(static_cast<ll>(m.v))}; }
    friend modint_base& operator+=(modint_base& m1, const modint_base& m2) { return m1 = m1 + m2; }
    friend modint_base& operator-=(modint_base& m1, const modint_base& m2) { return m1 = m1 - m2; }
    friend modint_base& operator*=(modint_base& m1, const modint_base& m2) { return m1 = m1 * m2; }
    friend modint_base& operator/=(modint_base& m1, const modint_base& m2) { return m1 = m1 / m2; }
    friend modint_base& operator+=(modint_base& m, const ll val) { return m = m + val; }
    friend modint_base& operator-=(modint_base& m, const ll val) { return m = m - val; }
    friend modint_base& operator*=(modint_base& m, const ll val) { return m = m * val; }
    friend modint_base& operator/=(modint_base& m, const ll val) { return m = m / val; }
    friend modint_base operator^(const modint_base& m, const ll n) { return power(m.v, n); }
    friend modint_base& operator^=(modint_base& m, const ll n) { return m = m ^ n; }
    friend bool operator==(const modint_base& m1, const modint_base& m2) { return m1.v == m2.v; }
    friend bool operator!=(const modint_base& m1, const modint_base& m2) { return not(m1 == m2); }
    friend bool operator==(const modint_base& m, const ll val) { return m.v == norm(static_cast<uint>(static_cast<ll>(mod()) + val % static_cast<ll>(mod()))); }
    friend bool operator!=(const modint_base& m, const ll val) { return not(m == val); }
    friend bool operator==(const ll val, const modint_base& m) { return m.v == norm(static_cast<uint>(static_cast<ll>(mod()) + val % static_cast<ll>(mod()))); }
    friend bool operator!=(const ll val, const modint_base& m) { return not(m == val); }
    friend std::istream& operator>>(std::istream& is, modint_base& m)
    {
        ll v;
        return is >> v, m = v, is;
    }
    friend std::ostream& operator<<(std::ostream& os, const modint_base& m) { return os << m(); }
    uint operator()() const { return v; }
    static modint_base small_inv(const usize n)
    {
        auto& in = inv_ref();
        if (n < in.size()) { return in[n]; }
        for (usize i = in.size(); i <= n; i++) { in.push_back(-in[modint_base::mod() % i] * (modint_base::mod() / i)); }
        return in.back();
    }

private:
    template<typename UInt = uint>
    static std::enable_if_t<dynamic, UInt&> mod_ref()
    {
        static UInt mod = 0;
        return mod;
    }
    static uint norm(const uint x) { return x < mod() ? x : x - mod(); }
    static modint_base make(const uint x)
    {
        modint_base m;
        return m.v = x, m;
    }
    static modint_base power(modint_base x, ull n)
    {
        modint_base ans = 1;
        for (; n; n >>= 1, x *= x) {
            if (n & 1) { ans *= x; }
        }
        return ans;
    }
    static modint_base inv(const ll v) { return v < 1000000 ? small_inv(static_cast<usize>(v)) : modint_base{inverse(v, static_cast<ll>(mod()))}; }
    static std::vector<modint_base>& inv_ref()
    {
        static std::vector<modint_base> in{1, 1};
        return in;
    }
    uint v;
};
template<uint mod>
using modint = modint_base<mod, false>;
template<uint id>
using dynamic_modint = modint_base<id, true>;
int main()
{
    constexpr uint mod = 998244353;
    using mint         = modint<mod>;
    const auto n       = read<int>();
    std::vector<mint> pow(n + 1, 1);
    for (int i = 1; i <= n; i++) { pow[i] = pow[i - 1] * 2; }
    std::vector<int> x(n), y(n);
    for (int i = 0; i < n; i++) { std::cin >> x[i] >> y[i]; }
    std::map<int, int> zip;
    {
        auto yc = y;
        std::sort(yc.begin(), yc.end());
        yc.erase(std::unique(yc.begin(), yc.end()), yc.end());
        for (int i = 0; i < yc.size(); i++) { zip[yc[i]] = i; }
    }
    for (int i = 0; i < n; i++) { y[i] = zip[y[i]]; }
    std::vector<int> inds(n);
    std::iota(inds.begin(), inds.end(), 0);
    std::sort(inds.begin(), inds.end(), [&](int i, int j) { return x[i] < x[j]; });
    {
        auto xc = x, yc = y;
        for (int i = 0; i < n; i++) { x[i] = xc[inds[i]], y[i] = yc[inds[i]]; }
    }
    wavelet_matrix<20> wm(y.begin(), y.end());
    mint ans = 0;
    for (int i = 0; i < n; i++) {
        const int left       = i;
        const int right      = n - i - 1;
        const int lower      = y[i];
        const int upper      = n - y[i] - 1;
        const int leftlower  = wm.range_freq(0, i, 0, y[i]);
        const int leftupper  = wm.range_freq(0, i, y[i], n);
        const int rightlower = wm.range_freq(i + 1, n, 0, y[i]);
        const int rightupper = wm.range_freq(i + 1, n, y[i], n);
        mint sum             = pow[n] - 1;
        sum -= (pow[left] + pow[right] + pow[lower] + pow[upper]);
        sum += (pow[leftlower] + pow[rightlower] + pow[rightupper] + pow[leftupper]);
        ans += sum;
    }
    std::cout << ans << std::endl;
    return 0;
}


Measured memory_bytes: 18396