/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.File;
import java.io.FileInputStream;
import java.util.Scanner;

/**
 *
 * @author imgps
 */
public class C {
    public static void main(String args[]) throws Exception{
        int A,B;
        int ctr = 0;
        int testCases;
        
        Scanner sc = new Scanner(new FileInputStream("C-small-attempt0.in "));
        testCases = sc.nextInt();
        int input[][] = new int[testCases][2];
        for(int i=0;i<testCases;i++)
        {
          //  System.out.print("Enter input A B: ");
            input[i][0] = sc.nextInt();
            input[i][1] = sc.nextInt();
            
        }
  

for(int k=0;k<testCases;k++){
      ctr = 0;
      A = input[k][0];
      B = input[k][1];
        for(int i = A;i<=B;i++){
            int num = i;
            int nMul = 1;
            int mul = 1; 
            int tnum = num/10;
            while(tnum > 0){
                mul = mul *10;
                tnum= tnum/10;
            }
            tnum = num;
            int n = 0;
            while(tnum > 0 && mul >= 10){
                nMul = nMul * 10;
                n = (num % nMul) * mul + (num / nMul);
                mul = mul / 10;
                tnum = tnum / 10;
                for(int m=num;m<=B;m++){
                    
                    if(n == m && m > num){
                        ctr++;
                    }
                }
                
                
                
         
            }
        }
        System.out.println("Case #"+(k+1)+": "+ctr);
        
    }
    }
}

import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class P03 {

	public static void main(String[] args) {
		Scanner inp = new Scanner(System.in);
		int t = inp.nextInt();
		inp.nextLine();
		int i = 1;
		while (t > 0) {
			int a = inp.nextInt();
			int b = inp.nextInt();

			System.out.println("Case #" + i + ": " + find(a, b));

			--t;
			++i;
		}

	}

	private static long find(int a, int b) {
		long ret = 0;
		boolean[] done = new boolean[b + 1];
		for (int i = a; i <= b; i++) {
			if (!done[i]) {
				Set<Integer> vals = new HashSet<Integer>();
				String is = String.valueOf(i);
				if (is.length() > 1) {
					vals.add(i);
					for (int j = 1; j < is.length(); j++) {
						String newS = is.substring(j) + is.substring(0, j);
						int newInt = Integer.parseInt(newS);
						if (newInt >= a && newInt <= b) {
							vals.add(newInt);
						}
					}
				}
				if (vals.size() > 1) {
					for (int val : vals) {
						done[val] = true;
					}
					ret += (vals.size() * (vals.size() - 1)) / 2;
				}
			}
		}
		return ret;
	}
}
