using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        var A = sc.ReadInt();
        var B = sc.ReadInt();
        var Q = sc.ReadInt();
        var S = new long[A + 2];
        for (int i = 0; i < A; i++)
        {
            S[i] = sc.ReadLong();
        }
        S[A] = long.MinValue / 4;
        S[A + 1] = long.MaxValue / 4;
        var T = new long[B + 2];
        for (int i = 0; i < B; i++)
        {
            T[i] = sc.ReadLong();
        }
        T[B] = long.MinValue / 4;
        T[B + 1] = long.MaxValue / 4;
        A += 2;
        B += 2;
        Array.Sort(S);
        Array.Sort(T);

        var list = new List<long>();
        for (int i = 0; i < Q; i++)
        {
            var x = sc.ReadLong();
            long s1, s2, t1, t2;
            {
                var r = A - 1;
                var l = -1;
                while (r - l > 1)
                {
                    var mid = l + (r - l) / 2;
                    if (S[mid] >= x) r = mid;
                    else l = mid;
                }
                s2 = S[r];
                s1 = S[r - 1];
            }
            {
                var r = B - 1;
                var l = -1;
                while (r - l > 1)
                {
                    var mid = l + (r - l) / 2;
                    if (T[mid] >= x) r = mid;
                    else l = mid;
                }
                t2 = T[r];
                t1 = T[r - 1];
            }
            // (s1,t1) <= x <= (t2,s2)
            var ans = long.MaxValue;
            ans = Math.Min(ans, Math.Max(s2, t2) - x);
            ans = Math.Min(ans, x - Math.Min(s1, t1));
            ans = Math.Min(ans, (x - s1) * 2 + (t2 - x));
            ans = Math.Min(ans, (x - t1) * 2 + (s2 - x));
            ans = Math.Min(ans, (s2 - x) * 2 + (x - t1));
            ans = Math.Min(ans, (t2 - x) * 2 + (x - s1));
            list.Add(ans);
        }

        foreach (var item in list)
        {
            Console.WriteLine(item);
        }
    }

    static Scanner sc = new Scanner();
}
class Scanner
{
    string[] S = new string[0];
    int Index = 0;
    char[] Separators = new char[] { ' ' };

    public string Next()
    {
        if (this.Index < this.S.Length) return this.S[this.Index++];
        var line = "";
        while (line == "") line = Console.ReadLine();
        this.S = line.Split(this.Separators, StringSplitOptions.RemoveEmptyEntries);
        if (this.S.Length == 0) return this.Next();
        this.Index = 0;
        return this.S[this.Index++];
    }
    public string ReadStr()
    {
        return this.Next();
    }
    public char ReadChar()
    {
        return this.Next()[0];
    }
    public int ReadInt()
    {
        return int.Parse(this.Next());
    }
    public uint ReadUInt()
    {
        return uint.Parse(this.Next());
    }
    public long ReadLong()
    {
        return long.Parse(this.Next());
    }
    public double ReadDouble()
    {
        return double.Parse(this.Next());
    }
    public Tuple<int, int> ReadTup(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add);
    }
    public Tuple<long, long> ReadTupLong(int add = 0)
    {
        return Tuple.Create(this.ReadLong() + add, this.ReadLong() + add);
    }
    public Tuple<int, int, int> ReadTup3(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
    }
    public Tuple<int, int, int, int> ReadTup4(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
    }
    public int[] ReadIntArray(int n)
    {
        var array = new int[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadInt();
        }
        return array;
    }
    public long[] ReadLongArray(int n)
    {
        var array = new long[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadLong();
        }
        return array;
    }
    public double[] ReadDoubleArray(int n)
    {
        var array = new double[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadDouble();
        }
        return array;
    }
    public char[] ReadCharArray(int n)
    {
        var array = new char[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadChar();
        }
        return array;
    }
    public string[] ReadStrArray(int n)
    {
        var array = new string[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadStr();
        }
        return array;
    }
    public Tuple<long, long>[] ReadTupLongArray(int n, int add = 0)
    {
        var array = new Tuple<long, long>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTupLong(add);
        }
        return array;
    }
    public Tuple<int, int>[] ReadTupArray(int n, int add = 0)
    {
        var array = new Tuple<int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup(add);
        }
        return array;
    }
    public Tuple<int, int, int>[] ReadTup3Array(int n, int add = 0)
    {
        var array = new Tuple<int, int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup3(add);
        }
        return array;
    }
    public Tuple<int, int, int, int>[] ReadTup4Array(int n, int add = 0)
    {
        var array = new Tuple<int, int, int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup4(add);
        }
        return array;
    }
}


Measured memory_bytes: 20928