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

public class recycled_numbers {
	public static void main(String[]a) throws Exception{
		
		Scanner f = new Scanner(new File(a[0]));
		int result=0;
		int A,B;
		String n,m;
		HashSet<String> s=new HashSet<String>();
		
		int T=f.nextInt();	//T total case count
		for (int t=1; t<=T;t++){//for each case t
			
			s.clear();
			result=0;				//reset
			A=f.nextInt();B=f.nextInt();	//get values for next case
			
			if (A==B)result=0;//remove case not meeting problem limits 
			else{
				for(int i=A;i<=B;i++){//for each int in range
					n=Integer.toString(i);
					m=new String(n);
					//System.out.println(n);
					for (int j=1;j<n.length();j++){//move each digit to the front & test
						m = m.substring(m.length()-1)+m.substring(0,m.length()-1);
						if(m.matches("^0+[\\d]+")!=true &&
								Integer.parseInt(m)<=B &&
								Integer.parseInt(n)<Integer.parseInt(m)){
							s.add(new String(n+","+m));
							//result++;
							//System.out.println(" matched: "+m);
						}
						
					}
				}
				result = s.size();
			}

			//display output
			System.out.println("Case #" + t + ": " + result);
		}
	}
}
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package codejam.y12.round0;

import utils.Jam;
import utils.JamCase;

/**
 *
 * @author fabien
 */
public class DancingGooglers extends Jam {

  public DancingGooglers(String filename) {
    super(filename);
  }

  @Override
  public JamCase getJamCase(int number) {
    return new Line(this, number, lines[number]);
  }

  private class Line extends JamCase {

    private String line;
    private int s;
    private int p;
    private int[] scores;

    public Line(Jam parent, int number, String line) {
      super(parent, number);
      this.line = line;
    }

    @Override
    public void parse() {
      String[] integers = line.split(" ");
      scores = new int[Integer.parseInt(integers[0])];
      s = Integer.parseInt(integers[1]);
      p = Integer.parseInt(integers[2]);
      int j = 0;
      for (int i = 3; i < integers.length; i++) {
        scores[j++] = Integer.parseInt(integers[i]);
      }
    }

    @Override
    public void solve() {
      int r = 0;
      if (p == 0) {
        r = scores.length;
      } else {
        float average = 0;
        float pnor = p - 1;
        float psus = p - 1.4f;
        for (int score : scores) {
          if (score > 0) {
            average = score / 3.0f;
            if (average > pnor) {
              r++;
            } else if (s > 0 && average >= psus) {
              r++;
              s--;
            }
          }
        }
      }
      result = Integer.toString(r);
    }
  }
}
