//
//
//  Codeforces: ganariya
//  AtCoder: ganariya2525
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//include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <unordered_map>
#include <climits>
#include <set>
#include <unordered_set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <queue>
#include <random>
#include <complex>
#include <regex>
#include <locale>
#include <random>
#include <type_traits>

using namespace std;

#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOW_MAP(v){std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}

using LL = long long;

//~~~~~~~~~~~~~~~~~~~~~_(＾～＾ ｣ ∠)_~~~~~~~~~~~~~~~~~~~~~

constexpr LL INF = 1e12;

int main() {

    int A, B, Q;
    cin >> A >> B >> Q;

    vector<LL> s(A);
    for (int i = 0; i < A; i++) cin >> s[i];

    vector<LL> t(B);
    for (int i = 0; i < B; i++) cin >> t[i];

    for (int i = 0; i < 20; i++) {
        s.insert(s.begin(), -INF);
        t.insert(t.begin(), -INF);
        s.push_back(INF);
        t.push_back(INF);
    }

    while (Q--) {

        LL x;
        cin >> x;

        auto s_it = lower_bound(s.begin(), s.end(), x);
        auto t_it = lower_bound(t.begin(), t.end(), x);

        LL ans = LONG_LONG_MAX;

        for (int i = -3; i <= 3; i++) {
            for (int j = -3; j <= 3; j++) {
                auto ss_it = s_it + i;
                auto tt_it = t_it + j;
                if (abs(*ss_it) == INF || abs(*tt_it) == INF) continue;

                if (*ss_it <= x && *tt_it <= x) {
                    ans = min(ans, x - min(*ss_it, *tt_it));
                } else if (*ss_it >= x && *tt_it >= x) {
                    ans = min(ans, max(*ss_it, *tt_it) - x);
                } else {
                    LL maxD = max(abs(x - *ss_it), abs(x - *tt_it));
                    LL minD = min(abs(x - *ss_it), abs(x - *tt_it));
                    ans = min(ans, 2 * minD + maxD);
                }
            }
        }


        cout << ans << endl;
    }

    return 0;
}
















































Measured memory_bytes: 2912