#include<bits/stdc++.h>
using namespace std;
void *wmem;
template<class T> inline void walloc1d(T **arr, int x, void **mem = &wmem){
  static int skip[16]={0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
  (*mem) = (void*)( ((char*)(*mem)) + skip[((unsigned long long)(*mem)) & 15] );
  (*arr)=(T*)(*mem);
  (*mem)=((*arr)+x);
}
template<class T1, class T2> void sortA_L(int N, T1 a[], T2 b[], void *mem = wmem){
  int i;
  pair<T1, T2> *arr;
  walloc1d(&arr, N, &mem);
  for(i=0;i<(N);i++){
    arr[i].first = a[i];
    arr[i].second = b[i];
  }
  sort(arr, arr+N);
  for(i=0;i<(N);i++){
    a[i] = arr[i].first;
    b[i] = arr[i].second;
  }
}
struct mint{
  static unsigned R, RR, Rinv, W, md, mdninv;
  unsigned val;
  mint(){
  }
  mint(int a){
    val = mulR(a);
  }
  mint(unsigned a){
    val = mulR(a);
  }
  mint(long long a){
    val = mulR(a);
  }
  mint(unsigned long long a){
    val = mulR(a);
  }
  int get_inv(long long a, int md){
    long long e, s=md, t=a, u=1, v=0;
    while(s){
      e=t/s;
      t-=e*s;
      u-=e*v;
      swap(t,s);
      swap(u,v);
    }
    if(u<0){
      u+=md;
    }
    return u;
  }
  void setmod(unsigned m){
    int i;
    unsigned t;
    W = 32;
    md = m;
    R = (1ULL << W) % md;
    RR = (unsigned long long)R*R % md;
    switch(m){
      case 104857601:
      Rinv = 2560000;
      mdninv = 104857599;
      break;
      case 998244353:
      Rinv = 232013824;
      mdninv = 998244351;
      break;
      case 1000000007:
      Rinv = 518424770;
      mdninv = 2226617417U;
      break;
      case 1000000009:
      Rinv = 171601999;
      mdninv = 737024967;
      break;
      case 1004535809:
      Rinv = 234947584;
      mdninv = 1004535807;
      break;
      case 1007681537:
      Rinv = 236421376;
      mdninv = 1007681535;
      break;
      case 1012924417:
      Rinv = 238887936;
      mdninv = 1012924415;
      break;
      case 1045430273:
      Rinv = 254466304;
      mdninv = 1045430271;
      break;
      case 1051721729:
      Rinv = 257538304;
      mdninv = 1051721727;
      break;
      default:
      Rinv = get_inv(R, md);
      mdninv = 0;
      t = 0;
      for(i=0;i<((int)W);i++){
        if(t%2==0){
          t+=md;
          mdninv |= (1U<<i);
        }
        t /= 2;
      }
    }
  }
  unsigned mulR(unsigned a){
    return (unsigned long long)a*R%md;
  }
  unsigned mulR(int a){
    if(a < 0){
      a = a%md+md;
    }
    return mulR((unsigned)a);
  }
  unsigned mulR(unsigned long long a){
    return mulR((unsigned)(a%md));
  }
  unsigned mulR(long long a){
    a %= md;
    if(a < 0){
      a += md;
    }
    return mulR((unsigned)a);
  }
  unsigned reduce(unsigned T){
    unsigned m=T * mdninv, t=(unsigned)((T + (unsigned long long)m*md) >> W);
    if(t >= md){
      t -= md;
    }
    return t;
  }
  unsigned reduce(unsigned long long T){
    unsigned m=(unsigned)T * mdninv, t=(unsigned)((T + (unsigned long long)m*md) >> W);
    if(t >= md){
      t -= md;
    }
    return t;
  }
  unsigned get(){
    return reduce(val);
  }
  mint &operator+=(mint a){
    val += a.val;
    if(val >= md){
      val -= md;
    }
    return *this;
  }
  mint &operator-=(mint a){
    if(val < a.val){
      val = val + md - a.val;
    }
    else{
      val -= a.val;
    }
    return *this;
  }
  mint &operator*=(mint a){
    val = reduce((unsigned long long)val*a.val);
    return *this;
  }
  mint &operator/=(mint a){
    return *this *= a.inverse();
  }
  mint operator+(mint a){
    return mint(*this)+=a;
  }
  mint operator-(mint a){
    return mint(*this)-=a;
  }
  mint operator*(mint a){
    return mint(*this)*=a;
  }
  mint operator/(mint a){
    return mint(*this)/=a;
  }
  mint operator+(int a){
    return mint(*this)+=mint(a);
  }
  mint operator-(int a){
    return mint(*this)-=mint(a);
  }
  mint operator*(int a){
    return mint(*this)*=mint(a);
  }
  mint operator/(int a){
    return mint(*this)/=mint(a);
  }
  mint operator+(long long a){
    return mint(*this)+=mint(a);
  }
  mint operator-(long long a){
    return mint(*this)-=mint(a);
  }
  mint operator*(long long a){
    return mint(*this)*=mint(a);
  }
  mint operator/(long long a){
    return mint(*this)/=mint(a);
  }
  mint operator-(void){
    mint res;
    if(val){
      res.val=md-val;
    }
    else{
      res.val=0;
    }
    return res;
  }
  operator bool(void){
    return val!=0;
  }
  operator int(void){
    return get();
  }
  operator long long(void){
    return get();
  }
  mint inverse(){
    int a=val, b=md, t, u=1, v=0;
    mint res;
    while(b){
      t = a / b;
      a -= t * b;
      swap(a, b);
      u -= t * v;
      swap(u, v);
    }
    if(u < 0){
      u += md;
    }
    res.val = (unsigned long long)u*RR % md;
    return res;
  }
  mint pw(unsigned long long b){
    mint a(*this), res;
    res.val = R;
    while(b){
      if(b&1){
        res *= a;
      }
      b >>= 1;
      a *= a;
    }
    return res;
  }
  bool operator==(int a){
    return mulR(a)==val;
  }
  bool operator!=(int a){
    return mulR(a)!=val;
  }
}
;
mint operator+(int a, mint b){
  return mint(a)+=b;
}
mint operator-(int a, mint b){
  return mint(a)-=b;
}
mint operator*(int a, mint b){
  return mint(a)*=b;
}
mint operator/(int a, mint b){
  return mint(a)/=b;
}
mint operator+(long long a, mint b){
  return mint(a)+=b;
}
mint operator-(long long a, mint b){
  return mint(a)-=b;
}
mint operator*(long long a, mint b){
  return mint(a)*=b;
}
mint operator/(long long a, mint b){
  return mint(a)/=b;
}
inline void rd(int &x){
  int k, m=0;
  x=0;
  for(;;){
    k = getchar_unlocked();
    if(k=='-'){
      m=1;
      break;
    }
    if('0'<=k&&k<='9'){
      x=k-'0';
      break;
    }
  }
  for(;;){
    k = getchar_unlocked();
    if(k<'0'||k>'9'){
      break;
    }
    x=x*10+k-'0';
  }
  if(m){
    x=-x;
  }
}
inline void wt_L(char a){
  putchar_unlocked(a);
}
inline void wt_L(int x){
  char f[10];
  int m=0, s=0;
  if(x<0){
    m=1;
    x=-x;
  }
  while(x){
    f[s++]=x%10;
    x/=10;
  }
  if(!s){
    f[s++]=0;
  }
  if(m){
    putchar_unlocked('-');
  }
  while(s--){
    putchar_unlocked(f[s]+'0');
  }
}
inline void wt_L(mint x){
  int i;
  i = (int)x;
  wt_L(i);
}
template<class T> int coordcomp_L(int n, T arr[], int res[] = NULL, void *mem = wmem){
  int i, k=0;
  pair<T,int> *r;
  walloc1d(&r, n, &mem);
  for(i=0;i<(n);i++){
    r[i].first = arr[i];
    r[i].second = i;
  }
  sort(r, r+n);
  if(res != NULL){
    for(i=0;i<(n);i++){
      if(i && r[i].first != r[i-1].first){
        k++;
      }
      res[r[i].second] = k;
    }
  }
  else{
    for(i=0;i<(n);i++){
      if(i && r[i].first != r[i-1].first){
        k++;
      }
      arr[r[i].second] = k;
    }
  }
  return k+1;
}
template<class T> struct fenwick{
  T *data;
  int memory, size;
  void malloc(int mem){
    memory = mem;
    data = (T*)std::malloc(sizeof(T)*mem);
  }
  void walloc(int mem, void **workMemory=&wmem){
    memory = mem;
    walloc1d(&data, mem, workMemory);
  }
  void free(void){
    memory = 0;
    free(data);
  }
  void init(int N){
    size = N;
    memset(data,0,sizeof(T)*N);
  }
  void add(int k, T val){
    while(k < size){
      data[k] += val;
      k |= k+1;
    }
  }
  T get(int k){
    T res=0;
    while(k>=0){
      res += data[k];
      k = (k&(k+1))-1;
    }
    return res;
  }
  T range(int a, int b){
    if(b==-1){
      b=size-1;
    }
    return get(b) - get(a-1);
  }
  int kth(T k){
    T v;
    int c, i=0, j=size;
    while(i<j){
      c = (i+j)/2;
      v = get(c);
      if(v <= k){
        i=c+1;
      }
      else{
        j=c;
      }
    }
    return i==size?-1:i;
  }
}
;
char memarr[96000000];
unsigned mint::R, mint::RR, mint::Rinv, mint::W, mint::md, mint::mdninv;
#define MD 998244353
int N;
int X[200000];
int Y[200000];
int ind[200000];
int val[200000];
int cnt1[200000];
int cnt2[200000];
int cnt3[200000];
int cnt4[200000];
mint pw[200001];
int main(){
  fenwick<int> f;
  int i, ii, j, k;
  mint res;
  wmem = memarr;
  {
    mint x;
    x.setmod(MD);
  }
  rd(N);
  {
    int Lj4PdHRW;
    for(Lj4PdHRW=0;Lj4PdHRW<(N);Lj4PdHRW++){
      rd(X[Lj4PdHRW]);
      rd(Y[Lj4PdHRW]);
    }
  }
  coordcomp_L(N, X);
  coordcomp_L(N, Y);
  pw[0] = 1;
  for(i=0;i<(N);i++){
    pw[i+1] = 2* pw[i];
  }
  for(i=0;i<(N);i++){
    ind[i] = i;
    val[i] = X[i];
  }
  sortA_L(N, val, ind);
  f.malloc(N);
  f.init(N);
  for(ii=0;ii<(N);ii++){
    i = ind[ii];
    f.add(Y[i],1);
    cnt1[i] = f.get(Y[i]-1);
    cnt2[i] = f.range(Y[i]+1, N-1);
  }
  f.init(N);
  for(ii=N-1;ii>=0;ii--){
    i = ind[ii];
    f.add(Y[i],1);
    cnt3[i] = f.get(Y[i]-1);
    cnt4[i] = f.range(Y[i]+1, N-1);
  }
  res = 0;
  for(i=0;i<(N);i++){
    res += pw[N] - 1;
    res -= pw[ cnt1[i] + cnt2[i] ];
    res -= pw[ cnt1[i] + cnt3[i] ];
    res -= pw[ cnt2[i] + cnt4[i] ];
    res -= pw[ cnt3[i] + cnt4[i] ];
    res += pw[ cnt1[i] ];
    res += pw[ cnt2[i] ];
    res += pw[ cnt3[i] ];
    res += pw[ cnt4[i] ];
  }
  wt_L(res);
  wt_L('\n');
  return 0;
}
// cLay varsion 20190802-2

// --- original code ---
// #define MD 998244353
// 
// int N, X[2d5], Y[2d5];
// 
// int ind[2d5], val[2d5];
// int cnt1[2d5], cnt2[2d5], cnt3[2d5], cnt4[2d5];
// 
// mint pw[200001];
// 
// {
//   int i, j, k, ii;
//   mint res;
//   fenwick<int> f;
// 
//   rd(N,(X,Y)(N));
//   coordcomp(N, X);
//   coordcomp(N, Y);
// 
//   pw[0] = 1;
//   rep(i,N) pw[i+1] = 2 pw[i];
// 
//   rep(i,N) ind[i] = i, val[i] = X[i];
//   sortA(N, val, ind);
// 
//   f.malloc(N);
// 
//   f.init(N);
//   rep(ii,N){
//     i = ind[ii];
//     f.add(Y[i],1);
//     cnt1[i] = f.get(Y[i]-1);
//     cnt2[i] = f.range(Y[i]+1, N-1);
//   }
// 
//   f.init(N);
//   for(ii=N-1;ii>=0;ii--){
//     i = ind[ii];
//     f.add(Y[i],1);
//     cnt3[i] = f.get(Y[i]-1);
//     cnt4[i] = f.range(Y[i]+1, N-1);
//   }
// 
//   res = 0;
//   rep(i,N){
//     res += pw[N] - 1;
//     res -= pw[ cnt1[i] + cnt2[i] ];
//     res -= pw[ cnt1[i] + cnt3[i] ];
//     res -= pw[ cnt2[i] + cnt4[i] ];
//     res -= pw[ cnt3[i] + cnt4[i] ];
//     res += pw[ cnt1[i] ];
//     res += pw[ cnt2[i] ];
//     res += pw[ cnt3[i] ];
//     res += pw[ cnt4[i] ];
//   }
// 
//   wt(res);
// }


Measured memory_bytes: 11392