import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;

public class Recycle {

	private static HashMap<Integer, HashSet<Integer>> map = new HashMap<Integer, HashSet<Integer>>();
	private static HashSet<Integer> toSkip = new HashSet<Integer>();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int tc = 1; tc <= T; tc++) {
			int a = reader.nextInt();
			int b = reader.nextInt();
			long before = System.currentTimeMillis();
			int res = doit(a, b);
			System.out.printf("Case #%d: %d\n", tc, res);
			long after = System.currentTimeMillis();
//			System.out.println("time taken: " + (after - before));
		}
	}

	private static int doit(int a, int b) {
		int count = 0;
		HashSet<Integer> skip = new HashSet<Integer>(toSkip);
		for (int i = a; i <= b; i++) {
			if (skip.contains(i))
				continue;
			HashSet<Integer> arr = generate(i);
//			if(arr.size() > 1) {
//				map.put(i, arr);
//			}
			// System.out.println(i + " --> " +
			// Arrays.deepToString(arr.toArray()));
			int temp = 0;
			if (arr.size() > 1) {
				for (int x : arr) {
					if (x >= a && x <= b) {
						temp++;
						skip.add(x);
					}
				}
				count += temp * (temp - 1) / 2;
			}
//			System.out.println("not skipping " + i + " gen: " + arr.size()+ " " + (temp * (temp - 1) / 2));
		}
		return count;
	}

	private static HashSet<Integer> generate(int num) {
		if(map.containsKey(num)) {
			HashSet<Integer> list = map.get(num);
			return list;
		}
		HashSet<Integer> list = new HashSet<Integer>();
		String s = "" + num;
		list.add(num);
		int len = s.length();
		for (int i = 1; i < len; i++) {
			String temp = s.substring(i) + s.substring(0, i);
			// System.out.println("temp: " + temp);
			if (temp.charAt(0) == '0')
				continue;
			int x = Integer.parseInt(temp);
			if( x <= 2000000) {
				list.add(x);
			}
		}
		if(list.size() > 1) {
			map.put(num, list);
		} else {
			toSkip.add(num);
		}
		return list;
	}

}

package googleCodeJam;

import static java.lang.System.out;

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.Set;
import java.util.TreeSet;

public class RecycledNumbers {
  public static void main(String[] args) throws Exception {
    if (args.length == 1) {
      // opening the input
      BufferedReader in = new BufferedReader(new FileReader(args[0]));
      
      // reading the number of test cases
      String line = null;
      int numberOfTestCases = ((line = in.readLine()) != null) ? Integer.parseInt(line) : 0;
      for (int t = 0; t < numberOfTestCases; t ++) {
        line = in.readLine();
        out.print("Case #" + (t+1) + ": ");
        
        // parse input
        String[] numbers = line.split(" ");
        int n = Integer.parseInt(numbers[0]);
        int m = Integer.parseInt(numbers[1]);
        
        int counter = 0;
        StringBuffer is = new StringBuffer(128);
        String isCurrent = null;
        for (int i = n; i <= m; i ++) {
          is.append(i);
          int size = is.length();
          is.append(i);
          //
          Set<Integer> qs = new TreeSet<Integer>();
          for (int j = 0; j < size; j ++) {
            isCurrent = is.substring(j, j+size);
            int q = Integer.parseInt(isCurrent);
            if (i < q && q <= m /*&& !isCurrent.startsWith("0")*/) {
              //counter ++;
              //out.println(i + "\t" + q + "\t" + (size - j));
              qs.add(q);
            }
          }
          //
          counter += qs.size();
          is.setLength(0);
        }
        
        out.println(counter);
      }
      
      // closing the input
      in.close();
    } else {
      // show the usage
      System.err.println("Using: java googleCodeJam.RecycledNumbers input");
    }
  }

}
