#if DEBUG
using Microsoft.VisualStudio.TestTools.UnitTesting;
#endif
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Contest
{
    class Program
    {
        public static IO.StreamScanner scanner = new IO.StreamScanner(Console.OpenStandardInput());

        static void Main(string[] args)
        {
            var a = scanner.Integer();
            var b = scanner.Integer();
            var q = scanner.Integer();
            var s = new List<long>();
            for (int i = 0; i < a; i++) s.Add(scanner.Long());
            var t = new List<long>();
            for (int i = 0; i < b; i++) t.Add(scanner.Long());
            var queries = new List<long>();
            for (int i = 0; i < q; i++) queries.Add(scanner.Long());

            var ans = GetAns(s.ToArray(), t.ToArray(), queries.ToArray());
            foreach (var r in ans) IO.Printer.Out.WriteLine(r);

            IO.Printer.Out.Flush();
        }

        public static List<long> GetAns(long[] s, long[] t, long[] q)
        {
            return q.Select(x => GetAns(s, t, x)).ToList();
        }

        static long GetAns(long[] s, long[] t, long q)
        {
            var ret = long.MaxValue;

            foreach (var sThenT in new bool[] { true, false })
            {
                foreach (var fstRight in new bool[] { true, false })
                {
                    foreach (var sndRight in new bool[] { true, false })
                    {
                        var fstArray = sThenT ? s : t;
                        var sndArray = sThenT ? t : s;

                        var fstIdx = GetAns(q, fstArray, fstRight);
                        if (fstIdx == -1) continue;
                        var sndIdx = GetAns(fstArray[fstIdx], sndArray, sndRight);
                        if (sndIdx == -1) continue;

                        ret = Math.Min(ret, Math.Abs(q - fstArray[fstIdx]) + Math.Abs(fstArray[fstIdx] - sndArray[sndIdx]));
                    }
                }
            }

            return ret;
        }

        static int GetAns(long pos, long[] points, bool right)
        {
            var lb = LowerBound(points, pos);
            if (!right) lb--;
            return lb < 0 || lb >= points.Length ? -1 : lb;
        }

        public static int LowerBound(long[] ar, long val)
        {
            var lb = -1;
            var ub = ar.Length;

            while (ub - lb > 1)
            {
                var mid = (lb + ub) / 2;
                if (ar[mid] >= val)
                {
                    ub = mid;
                }
                else
                {
                    lb = mid;
                }
            }

            return ub;
        }
    }
    

#if DEBUG
    [TestClass]
    public class Test
    {
        [TestMethod]
        public void Test1()
        {
            var s = new List<long>
            {
                100, 600
            };
            var t = new List<long>
            {
                400, 900, 1000
            };
            var queries = new List<long>
            {
                150, 2000, 899, 799
            };
            var exp = new List<long>
            {
                350, 1400, 301, 399
            };
            var ans = Program.GetAns(s.ToArray(), t.ToArray(), queries.ToArray());
            Assert.IsTrue(IsEq(exp, ans));
        }

        [TestMethod]
        public void Test2()
        {
            var s = new List<long>
            {
                1
            };
            var t = new List<long>
            {
                10000000000
            };
            var queries = new List<long>
            {
                2, 9999999999, 5000000000
            };
            var exp = new List<long>
            {
                10000000000, 10000000000, 14999999998
            };
            var ans = Program.GetAns(s.ToArray(), t.ToArray(), queries.ToArray());
            Assert.IsTrue(IsEq(exp, ans));
        }

        bool IsEq(IEnumerable<int> l1, IEnumerable<int> l2)
        {
            if (l1.Count() != l2.Count()) return false;
            for(int i=0; i>l1.Count(); i++)
            {
                if (l1.ElementAt(i) != l2.ElementAt(i)) return false;
            }
            return true;
        }

        bool IsEq(IEnumerable<long> l1, IEnumerable<long> l2)
        {
            if (l1.Count() != l2.Count()) return false;
            for (int i = 0; i > l1.Count(); i++)
            {
                if (l1.ElementAt(i) != l2.ElementAt(i)) return false;
            }
            return true;
        }

        bool IsEq(IEnumerable<double> l1, IEnumerable<double> l2)
        {
            if (l1.Count() != l2.Count()) return false;
            for (int i = 0; i > l1.Count(); i++)
            {
                if (l1.ElementAt(i) != l2.ElementAt(i)) return false;
            }
            return true;
        }

        bool IsEq(double d1, double d2)
        {
            return Math.Abs(d2 - d1) < 1E10;
        }

    }
#endif

    namespace IO
    {
        using System.IO;
        using System.Text;
        using System.Globalization;

        public class Printer : StreamWriter
        {
            static Printer()
            {
                Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false };
            }

            public static Printer Out { get; set; }

            public override IFormatProvider FormatProvider
            {
                get { return CultureInfo.InvariantCulture; }
            }

            public Printer(Stream stream)
                : base(stream, new UTF8Encoding(false, true))
            {
            }

            public Printer(Stream stream, Encoding encoding)
                : base(stream, encoding)
            {
            }

            public void Write<T>(string format, T[] source)
            {
                base.Write(format, source.OfType<object>().ToArray());
            }

            public void WriteLine<T>(string format, T[] source)
            {
                base.WriteLine(format, source.OfType<object>().ToArray());
            }
        }

        public class StreamScanner
        {
            public StreamScanner(Stream stream)
            {
                str = stream;
            }

            public readonly Stream str;
            private readonly byte[] buf = new byte[1024];
            private int len, ptr;
            public bool isEof;

            public bool IsEndOfStream
            {
                get { return isEof; }
            }

            private byte read()
            {
                if (isEof) return 0;
                if (ptr < len) return buf[ptr++];
                ptr = 0;
                if ((len = str.Read(buf, 0, 1024)) > 0) return buf[ptr++];
                isEof = true;
                return 0;
            }

            public char Char()
            {
                byte b;
                do b = read(); while ((b < 33 || 126 < b) && !isEof);
                return (char)b;
            }

            public string Scan()
            {
                var sb = new StringBuilder();
                for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
                    sb.Append(b);
                return sb.ToString();
            }

            public string ScanLine()
            {
                var sb = new StringBuilder();
                for (var b = Char(); b != '\n'; b = (char)read())
                    if (b == 0) break;
                    else if (b != '\r') sb.Append(b);
                return sb.ToString();
            }

            public long Long()
            {
                if (isEof) return long.MinValue;
                long ret = 0;
                byte b;
                var ng = false;
                do b = read(); while (b != 0 && b != '-' && (b < '0' || '9' < b));
                if (b == 0) return long.MinValue;
                if (b == '-')
                {
                    ng = true;
                    b = read();
                }
                for (; ; b = read())
                {
                    if (b < '0' || '9' < b)
                        return ng ? -ret : ret;
                    ret = ret * 10 + b - '0';
                }
            }

            public int Integer()
            {
                return (isEof) ? int.MinValue : (int)Long();
            }

            public double Double()
            {
                var s = Scan();
                return s != "" ? double.Parse(s, CultureInfo.InvariantCulture) : double.NaN;
            }

            static T[] enumerate<T>(int n, Func<T> f)
            {
                var a = new T[n];
                for (int i = 0; i < n; ++i) a[i] = f();
                return a;
            }

            public char[] Char(int n)
            {
                return enumerate(n, Char);
            }

            public string[] Scan(int n)
            {
                return enumerate(n, Scan);
            }

            public double[] Double(int n)
            {
                return enumerate(n, Double);
            }

            public int[] Integer(int n)
            {
                return enumerate(n, Integer);
            }

            public long[] Long(int n)
            {
                return enumerate(n, Long);
            }
        }
    }
}


Measured memory_bytes: 27972