#include "bits/stdc++.h"
// Begin Header {{{
#define all(x)          (x).begin(), (x).end()
#define rep(i, n)       for (i64 i = 0, i##_limit = (n); i < i##_limit; ++i)
#define reps(i, s, t)   for (i64 i = (s), i##_limit = (t); i <= i##_limit; ++i)
#define repr(i, s, t)   for (i64 i = (s), i##_limit = (t); i >= i##_limit; --i)
#define var(Type, ...)  Type __VA_ARGS__; input(__VA_ARGS__)
#ifndef DBG
#define trace(...)
#endif
using namespace std;
using i64 = int_fast64_t;
using pii = pair<i64, i64>;
template <class T, class U> inline bool chmax(T &a, const U &b) { return b > a && (a = b, true); }
template <class T, class U> inline bool chmin(T &a, const U &b) { return b < a && (a = b, true); }
inline i64  sigma(i64 n)            { return (n * (n + 1) >> 1); }
inline i64  updiv(i64 a, i64 b)     { return (a + b - 1) / b; }
inline i64  sqr(i64 n)              { return n * n; }
inline string to_string(char c)     { return string(1, c); }

template <class T>
inline vector<T> make_v(const T &initValue, size_t sz) {
    return vector<T>(sz, initValue);
}
template <class T, class... Args>
inline auto make_v(const T &initValue, size_t sz, Args... args) {
    return vector<decltype(make_v<T>(initValue, args...))>(sz, make_v<T>(initValue, args...));
}

inline void input() {}
template <class Head, class... Tail>
inline void input(Head &head, Tail&... tail) { cin >> head; input(tail...); }

inline void print() { cout << "\n"; }
template <class Head, class... Tail>
inline void print(Head &&head, Tail&&... tail) {
    cout << head;
    if (sizeof...(tail)) cout << ' ';
    print(forward<Tail>(tail)...);
}

template <class T>
inline ostream& operator<< (ostream &out, const vector<T> &vec) {
    static constexpr const char *delim[] = { " ", "" };
    for (const auto &e : vec) out << e << delim[&e == &vec.back()];
    return out;
}

template <typename Func>
struct FixPoint : Func {
    inline constexpr FixPoint(Func &&f) noexcept : Func(forward<Func>(f)) {}

    template <typename... Args>
    inline decltype(auto) operator()(Args &&... args) const {
        return Func::operator()(*this, forward<Args>(args)...);
    }
};

template< typename Func >
inline decltype(auto) makeFixPoint(Func &&f) {
    return FixPoint< Func >{forward< Func >(f)};
}
// }}} End Header

constexpr int INF  = 0x3f3f3f3f;
constexpr i64 LINF = i64(1e13);

signed main()
{
    ios::sync_with_stdio(false); cin.tie(nullptr);

    var(int, A, B, Q);
    vector<i64> s(A), t(B);

    rep(i, A) input(s[i]);
    rep(i, B) input(t[i]);

    s.push_back(-LINF);
    s.push_back(-LINF);
    s.push_back(LINF);
    s.push_back(LINF);

    t.push_back(-LINF);
    t.push_back(-LINF);
    t.push_back(LINF);
    t.push_back(LINF);

    sort(all(s));
    sort(all(t));

    const auto dist = [&](i64 p, i64 l, i64 r) -> i64 {
        if (l > r) swap(l, r);

        if (p <= l && l <= r) { return abs(r - p); }
        if (l <= r && r <= p) { return abs(p - l); }
        return min(
                abs(r - p) * 2 + abs(p - l),
                abs(r - p) + abs(p - l) * 2);
    };

    while (Q--) {
        var(i64, x);
        i64 ans = LINF;
        const auto itr_s = lower_bound(all(s), x);
        const auto itr_t = lower_bound(all(t), x);

        chmin(ans, dist(x, *itr_s, *itr_t));
        chmin(ans, dist(x, *prev(itr_s), *itr_t));
        chmin(ans, dist(x, *itr_s, *prev(itr_t)));
        chmin(ans, dist(x, *prev(itr_s), *prev(itr_t)));

        print(ans);
    }

    return 0;
}


Measured memory_bytes: 2912