using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using static System.Console;
using static System.Math;
using static MyIO;
using static MyUtil;

public class D { public static void Main() => (new Solver()).Solve(); }

public class Solver
{
	private long INF = long.MaxValue / 4;

	public void Solve()
	{
		long A = GetLong();
		long B = GetLong();
		long Q = GetLong();

		var s = new long[A + 2];
		s[0] = -INF;
		s[A + 1] = INF;
		for(long i = 1; i <= A; i++)
			s[i] = GetLong();

		var t = new long[B + 2];
		t[0] = -INF;
		t[B + 1] = INF;
		for(long i = 1; i <= B; i++)
			t[i] = GetLong();

		var x = GetLongs(Q);

		var ans = new long[Q];
		for(long i = 0; i < Q; i++)
		{
			var scand = new long[2];
			scand[0] = s[binarySearch(A + 1, 0, p => s[p] < x[i])];
			scand[1] = s[binarySearch(0, A + 1, p => s[p] > x[i])];

			var tcand = new long[2];
			tcand[0] = t[binarySearch(B + 1, 0, p => t[p] < x[i])];
			tcand[1] = t[binarySearch(0, B + 1, p => t[p] > x[i])];

			long max = INF;
			for(long j = 0; j < 8; j++)
			{
				long y = scand[j % 2];
				long z = tcand[(j / 2) % 2];
				if((j / 4) % 2 == 1)
					swap(ref y, ref z);

				chmin(ref max, Abs(y - x[i]) + Abs(z - y));
			}
			ans[i] = max;
		}
		WriteLine(string.Join("\n", ans));
	}

	private long binarySearch(long ng, long ok, Func<long, bool> isOk)
	{
		while(Abs(ng - ok) > 1)
		{
			long mid = (ng + ok) / 2;
			if(isOk(mid))
				ok = mid;
			else
				ng = mid;
		}
		return ok;
	}
}

public static class MyIO
{
	private static string[] args = new string[0];
	private static int cnt = 0;
	private static IEnumerable<string> getArgs(long N) => Range(0, N).Select(_ => getArg());
	private static string getArg()
	{
		if(cnt == args.Length) { args = Console.ReadLine().Split(); cnt = 0; }
		return args[cnt++];
	}

	public static int GetInt() => int.Parse(getArg());
	public static long GetLong() => long.Parse(getArg());
	public static double GetDouble() => double.Parse(getArg());
	public static decimal GetDecimal() => decimal.Parse(getArg());
	public static string GetString() => getArg();
	public static char GetChar() => getArg()[0];
	public static int[] GetInts(long N) => getArgs(N).Select(int.Parse).ToArray();
	public static long[] GetLongs(long N) => getArgs(N).Select(long.Parse).ToArray();
	public static double[] GetDoubles(long N) => getArgs(N).Select(double.Parse).ToArray();
	public static decimal[] GetDecimals(long N) => getArgs(N).Select(decimal.Parse).ToArray();
	public static string[] GetStrings(long N) => getArgs(N).ToArray();
}

public static class MyUtil
{
	public static void chmax<T>(ref T x, T y) where T : IComparable<T> { if(x.CompareTo(y) < 0) x = y; }
	public static void chmin<T>(ref T x, T y) where T : IComparable<T> { if(x.CompareTo(y) > 0)	x = y; }
	public static void swap<T>(ref T x, ref T y) { T tmp = x; x = y; y = tmp; }
	public static long rightShift(long x, long y) => (x >> (int)y);
	public static long leftShift(long x, long y) => (x << (int)y);
	public static bool contains(long s, long x) => (rightShift(s, x) & 1L) == 1L;
	public static long gcd(long x, long y) => (y == 0) ? x : gcd(y, x % y);
	public static long lcm(long x, long y) => (x / gcd(x,y)) * y;	
	public static IEnumerable<int> Range(long start, long count) => Enumerable.Range((int)start, (int)count);
	public static void Sort(this List<string> source) => source.Sort(StringComparer.Ordinal);
}


Measured memory_bytes: 51464