#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;

#define REP(i,n) for(long long i = 0; i < (n); i++)
#define FOR(i, m, n) for(long long i = (m);i < (n); ++i)
#define ALL(obj) (obj).begin(),(obj).end()
#define SPEED cin.tie(0);ios::sync_with_stdio(false);

template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;
template<class T> using PQ = priority_queue<T>;
template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>;

const ll MOD = (ll)1e9 + 7;
const ll MOD2 = 998244353;
const ll HIGHINF = (ll)1e18;
const ll LOWINF = (ll)1e15;
const long double PI = 3.1415926535897932384626433;

template<typename T> vector<T> make_v(size_t N,T init){return vector<T>(N,init);}
template<typename... T> auto make_v(size_t N,T... t){return vector<decltype(make_v(t...))>(N,make_v(t...));}
template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}}
template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;}
template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;}
template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;}
template <template <class tmp>  class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
void print(void) {cout << endl;}
template <class Head> void print(Head&& head) {cout << head;print();}
template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);}
template <class T> void chmax(T& a, const T b){a=max<T>(a,b);}
template <class T> void chmin(T& a, const T b){a=min<T>(a,b);}
void YN(bool flg) {cout << ((flg) ? "YES" : "NO") << endl;}
void Yn(bool flg) {cout << ((flg) ? "Yes" : "No") << endl;}
void yn(bool flg) {cout << ((flg) ? "yes" : "no") << endl;}

int main() {
	int A,B,Q; cin >> A >> B >> Q;
	V<ll> s(A+2),t(B+2);
	for(int i = 1; i <= A; ++i) cin >> s[i];
	s[0] = -LOWINF,s[A+1] = LOWINF;
	for(int i = 1; i <= B; ++i) cin >> t[i];
	t[0] = -LOWINF,t[B+1] = LOWINF;
	V<ll> u(A+2,LOWINF),v(B+2,LOWINF);
	for(int i = 1; i <= A; ++i){
		int j = lower_bound(ALL(t),s[i]) - t.begin();
		u[i] = min(abs(s[i]-t[j]),abs(s[i]-t[j-1]));
	}
	for(int i = 1; i <= B; ++i){
		int j = lower_bound(ALL(s),t[i]) - s.begin();
		v[i] = min(abs(t[i]-s[j]),abs(t[i]-s[j-1]));
	}
	for(int i = 0; i < Q; ++i){
		ll x,ans = LOWINF; cin >> x;
		int j;
		j = lower_bound(ALL(s),x) - s.begin();
		chmin(ans,abs(x-s[j])+u[j]);
		chmin(ans,abs(x-s[j-1])+u[j-1]);
		j = lower_bound(ALL(t),x) - t.begin();
		chmin(ans,abs(x-t[j])+v[j]);
		chmin(ans,abs(x-t[j-1])+v[j-1]);
		cout << ans << endl;
	}
	

    return 0;
}


Measured memory_bytes: 4480