import java.io.*;
import java.util.*;

class Solver {
  private TreeSet<Long> sSet, tSet;
  
  private TreeSet<Long> setUp(long[] vs) {
    TreeSet<Long> set = new TreeSet<>();
    set.add((1L << 60));
    set.add(-1 * (1L << 60));
    for (long v : vs) {
      set.add(v);
    }
    return set;
  }
  
  private long solve(long x) {
    long sHigher = sSet.higher(x) - x;
    long tHigher = tSet.higher(x) - x;
    long sLower = Math.abs(sSet.lower(x) - x);
    long tLower = Math.abs(tSet.lower(x) - x);
    
    long[] candidates = new long[] {
      Math.max(sHigher, tHigher),
      Math.max(sLower, tLower),
      sHigher * 2 + tLower,
      sHigher + 2 * tLower,
      tHigher * 2 + sLower,
      tHigher + 2 * sLower,
    };
    Arrays.sort(candidates);
    return candidates[0];
  }
  
  public long[] solve(long[] ss, long[] ts, long[] xs) {
    sSet = setUp(ss);
    tSet = setUp(ts);
    
    long[] answers = new long[xs.length];
    for (int i = 0; i < xs.length; i++) {
      answers[i] = solve(xs[i]);
    }
    return answers;
  }
}

public class Main {
  private static void execute(ContestReader reader, PrintWriter out) {
    int a = reader.nextInt();
    int b = reader.nextInt();
    int q = reader.nextInt();
    long[] ss = reader.nextLongArray(a);
    long[] ts = reader.nextLongArray(b);
    long[] xs = reader.nextLongArray(q);
    long[] answers = new Solver().solve(ss, ts, xs);
    for (long v : answers) {
      out.println(v);
    }
  }
  
  public static void main(String[] args) {
    ContestReader reader = new ContestReader(System.in);
    PrintWriter out = new PrintWriter(System.out);
    execute(reader, out);
    out.flush();
  }
}

class ContestReader {
  private BufferedReader reader;
  private StringTokenizer tokenizer;
  
  ContestReader(InputStream in) {
    reader = new BufferedReader(new InputStreamReader(in));
  }
  
  public String next() {
    while (tokenizer == null || !tokenizer.hasMoreTokens()) {
      try {
        tokenizer = new java.util.StringTokenizer(reader.readLine());
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
    return tokenizer.nextToken();
  }
  
  public int nextInt() {
    return Integer.parseInt(next());
  }
  
  public long nextLong() {
    return Long.parseLong(next());
  }
  
  public double nextDouble() {
    return Double.parseDouble(next());
  }
  
  public int[] nextIntArray(int n) {
    int[] array = new int[n];
    for (int i = 0; i < n; i++) {
      array[i] = nextInt();
    }
    return array;
  }
  
  public long[] nextLongArray(int n) {
    long[] array = new long[n];
    for (int i = 0; i < n; i++) {
      array[i] = nextLong();
    }
    return array;
  }
  
  public int[][] nextIntMatrix(int n, int m) {
    int[][] matrix = new int[n][m];
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < m; j++) {
        matrix[i][j] = nextInt();
      }
    }
    return matrix;
  }
  
  public long[][] nextLongMatrix(int n, int m) {
    long[][] matrix = new long[n][m];
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < m; j++) {
        matrix[i][j] = nextInt();
      }
    }
    return matrix;
  }
}

class Algorithm {
  private static void swap(Object[] list, int a, int b) {
    Object tmp = list[a];
    list[a] = list[b];
    list[b] = tmp;
  }
  
  public static <T extends Comparable<? super T>> boolean nextPermutation(T[] ts) {
    int rightMostAscendingOrderIndex = ts.length - 2;
    while (rightMostAscendingOrderIndex >= 0 &&
        ts[rightMostAscendingOrderIndex].compareTo(ts[rightMostAscendingOrderIndex + 1]) >= 0) {
      rightMostAscendingOrderIndex--;
    }
    if (rightMostAscendingOrderIndex < 0) {
      return false;
    }
    
    int rightMostGreatorIndex = ts.length - 1;
    while (ts[rightMostAscendingOrderIndex].compareTo(ts[rightMostGreatorIndex]) >= 0) {
      rightMostGreatorIndex--;
    }
    
    swap(ts, rightMostAscendingOrderIndex, rightMostGreatorIndex);
    for (int i = 0; i < (ts.length - rightMostAscendingOrderIndex - 1) / 2; i++) {
      swap(ts, rightMostAscendingOrderIndex + 1 + i, ts.length - 1 - i);
    }
    return true;
  }
  
  public static void shuffle(int[] array) {
    Random random = new Random();
    int n = array.length;
    for (int i = 0; i < n; i++) {
      int randomIndex = i + random.nextInt(n - i);
      
      int temp = array[i];
      array[i] = array[randomIndex];
      array[randomIndex] = temp;
    }
  }
  
  public static void shuffle(long[] array) {
    Random random = new Random();
    int n = array.length;
    for (int i = 0; i < n; i++) {
      int randomIndex = i + random.nextInt(n - i);
      
      long temp = array[i];
      array[i] = array[randomIndex];
      array[randomIndex] = temp;
    }
  }
  
  public static void sort(int[] array) {
    shuffle(array);
    Arrays.sort(array);
  }
  
  public static void sort(long[] array) {
    shuffle(array);
    Arrays.sort(array);
  }
}



Measured memory_bytes: 62244