#include<bits/stdc++.h>
#include <math.h>
#include <algorithm>
#include <iostream>
#include <vector>
#include <atcoder/all>
#include <atcoder/dsu>
#include <atcoder/segtree>
#include <atcoder/lazysegtree>
#include <atcoder/modint>
#include <atcoder/scc>
#include <chrono>
#include <random>
#include <cassert>
#ifndef templete
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()

//#include<boost/multiprecision/cpp_int.hpp>
//using namespace boost::multiprecision;
using namespace std;
using namespace atcoder;
//using atmint = modint998244353;
using atmint = modint;
using Graph = vector<vector<int>>;
using P = pair<long long,long long>;
//#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60;
template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; }

//---------------------------------------------------------------------------------------------------

template<int MOD> struct ModInt {
    static const int Mod = MOD; unsigned x; ModInt() : x(0) { }
    ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
    ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
    int get() const { return (int)x; }
    ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; }
    ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; }
    ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; }
    ModInt &operator/=(ModInt that) { return *this *= that.inverse(); }
    ModInt operator+(ModInt that) const { return ModInt(*this) += that; }
    ModInt operator-(ModInt that) const { return ModInt(*this) -= that; }
    ModInt operator*(ModInt that) const { return ModInt(*this) *= that; }
    ModInt operator/(ModInt that) const { return ModInt(*this) /= that; }
    ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0;
        while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); }
        return ModInt(u); }
    bool operator==(ModInt that) const { return x == that.x; }
    bool operator!=(ModInt that) const { return x != that.x; }
    ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; }
};
template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; };
template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) {
    ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; }
template<typename T, int FAC_MAX> struct Comb { vector<T> fac, ifac;
    Comb(){fac.resize(FAC_MAX,1);ifac.resize(FAC_MAX,1);rep(i,1,FAC_MAX)fac[i]=fac[i-1]*i;
        ifac[FAC_MAX-1]=T(1)/fac[FAC_MAX-1];rrep(i,FAC_MAX-2,1)ifac[i]=ifac[i+1]*T(i+1);}
    T aPb(int a, int b) { if (b < 0 || a < b) return T(0); return fac[a] * ifac[a - b]; }
    T aCb(int a, int b) { if (b < 0 || a < b) return T(0); return fac[a] * ifac[a - b] * ifac[b]; }
    T nHk(int n, int k) { if (n == 0 && k == 0) return T(1); if (n <= 0 || k < 0) return 0;
        return aCb(n + k - 1, k); } // nHk = (n+k-1)Ck : n is separator
    T pairCombination(int n) {if(n%2==1)return T(0);return fac[n]*ifac[n/2]/(T(2)^(n/2));}
    // combination of paris for n com.aCb(h+w-2,h-1);
}; 
typedef ModInt<1000000007> mint;
//typedef ModInt<998244353> mint; 
//typedef ModInt<1000000000> mint; 
Comb<mint, 2010101> com;
//vector dp(n+1,vector(n+1,vector<ll>(n+1,0)));
//vector dp(n+1,vector<ll>(n+1,0));
  std::random_device seed_gen;
  std::mt19937 engine(seed_gen());
string ye = "Yes"; string no = "No"; string draw = "Draw";

#endif // templete
//---------------------------------------------------------------------------------------------------
ll maxx = 20005;
vector<P>a,b;
mint over_cnt(P p,ll val){
  ll minp = p.first;
  ll maxp = p.second;
  if(val < minp){
    return maxp - minp + 1;
  }else if(val > maxp)return mint(0);
   else{
  //  cout << minp << " " << maxp << " " << val << endl;
  
    return mint(maxp - val + 1);
  }
}
mint under_cnt(P p,ll val){
  ll minp = p.first;
  ll maxp = p.second;
  if(!(minp <= val && val <= maxp))return mint(0);
  else return mint(val - minp + 1);
}

bool check(P p ,ll val){
    ll minp = p.first;
    ll maxp = p.second;
    if(!(minp <= val && val <= maxp))return false;
    else return true;
}

/*
mint calc_range_width(P x, P y){
    ll l = max(x.first,y.first);
    ll r = min(x.second,y.second);
    if(l > r)return mint(0);
    else return r - l + 1;
}
*/
mint calc_range_width(P x){
    ll l = x.first;
    ll r = x.second;
    if(l > r)return mint(0);
    else return r - l + 1;
}

mint calc_range_ok(P x, ll val){
    ll l = x.first;
    ll r = x.second;
    if(l <= val && val <= r)return mint(1);
    else return mint(0);
}

P merge_range(P x, P y){
    ll l = max(x.first,y.first);
    ll r = min(x.second,y.second);
    return {l,r};
}
mint calc_two(ll val, vector<P>v,ll flag){
    mint res = 0;
    P e = {val,infl};
    if(flag == 1){
    swap(e.first,e.second);
    e.first *= -1;
    }
    rep(i,0,v.size())v[i] = merge_range(v[i],e);
    res = calc_range_width(v[0])*calc_range_width(v[1]);
    res -= calc_range_width(merge_range(v[0],v[1]));
    return res;
}

mint calc_three(ll val, vector<P>v,ll flag){
  mint res = 0;
 // if(check(v,val) == false)return res;
  P e = {val,infl};
  if(flag == 1){
    swap(e.first,e.second);
    e.first *= -1;
  }
  rep(i,0,v.size())v[i] = merge_range(v[i],e);
  res += calc_range_ok(v[0],val) * calc_two(val+1,{v[1],v[2]},flag);
  res += calc_range_ok(v[1],val) * calc_two(val+1,{v[0],v[2]},flag);
  res += calc_range_ok(v[2],val) * calc_two(val+1,{v[0],v[1]},flag);
  return res;
  /*
  P upper_e = {val+1,infl};
  res += calc_range_ok(v[0],e) * calc_range_width(merge_range(v[1],upper_e),merge_range(v[2],upper_e));
  vector<mint>over_v(v.size());
  rep(i,0,v.size()){
    auto p = v[i];
    over_v[i] = over_cnt(p,val);
    cout << p.first << " " << p.second << " " << over_cnt(p,val) << endl;
  }
  mint tot = 1;
  rep(i,0,over_v.size())tot *= over_v[i];
  ll siz = v.size();
  rep(msk,1,1<<siz){
   int cnt = __builtin_popcount(msk);
   mint add = 1;
   rep(i,0,siz)if(msk>>i&1)add *= over_v[i];
   else{
   if(check(v[i],val))add *= 1;
     else add *= 0;   
   }
   if(cnt %2 == 0)add *= -1;
   res += add;
  }

  cout << res << endl;
  return res;
  */
}
/*
mint calc_four(ll val, vector<P>v){
  mint res = 0;
  P e = {val,infl};
  rep(i,0,v.size())v[i] = merge_range(v[i],e);
  res += calc_range_width(v[0]) * calc_three(val+1,{v[1],v[2],v[3]});
  res += calc_range_width(v[1]) * calc_three(val+1,{v[0],v[2],v[3]});
  res += calc_range_width(v[2]) * calc_three(val+1,{v[0],v[1],v[3]});
  res += calc_range_width(v[3]) * calc_three(val+1,{v[0],v[1],v[2]});
  return res;
}
*/
void _main() {
   
   rep(i,0,7){
   ll x,y;
     cin >> x >> y;
     if(i % 2 == 0)a.push_back({x,y});
     else b.push_back({x,y});
   }
  
  maxx = 20;
  
  vector<mint>amin(maxx),amax(maxx),bmin(maxx),bmax(maxx);
  rep(i,0,maxx)bmin[i] = calc_three(i,b,0);
  rep(i,0,maxx)bmax[i] = calc_three(i,b,1);

 // rep(i,0,maxx)amin[i] = calc_min(i,a);
  
  rep(i,0,13){
//  cout << i << " " << bmin[i] << endl;
    cout << i << " " << bmax[i] << endl;
  }
  
  mint ans = 0;
  rep(i,1,maxx)rep(j,i+1,maxx)ans += amax[i] * bmin[j];
  rep(i,1,maxx)rep(j,i+1,maxx)ans += bmax[i] * amin[j];
  cout << ans << endl;  
}