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

import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author daniele
 */
public class GCJ_C {
    
    public static void main(String[] args) throws Exception{
        
        
        
        Scanner in = new Scanner(new File(args[0]));
        FileWriter out = new FileWriter("/home/daniele/Scrivania/Output");
        

        int prove=in.nextInt();
        int min,max;
        int cifre;
        int cifreaus;
        String temp;
        int aus;
        int count=0;
        ArrayList<Integer> vals = new ArrayList<Integer>();
        int jcount=0;
        ArrayList<Integer> perm = new ArrayList<Integer>();
        
        out.write("");
        out.flush();
        
        for(int i=1;i<=prove;i++){
            
            out.append("Case #" +i+": ");out.flush();
            
            min=in.nextInt();
            max=in.nextInt();
            
            for(int j=min;j<=max;j++){
               if(!vals.contains(j)){
                    temp=""+j;
                    cifre=temp.length();
                    aus=j;
                    perm.add(j);
                    for(int k=1;k<cifre;k++){
                        aus=rotateOnce(aus);
                        temp=""+aus;
                        cifreaus=temp.length();//elusione zeri iniziali
                        if(aus>=min && aus<=max && aus!=j && cifreaus==cifre && nobody(vals,perm)){ 
                            perm.add(aus);
                            jcount ++;
                            
                        }
                        
                    }
                    while(jcount>0){count+=jcount; jcount--;}
                    vals.addAll(perm);
                    perm= new ArrayList<Integer>();
                    
                }
            }
            out.append(count+"\n");out.flush();
            count=0;
            vals= new ArrayList<Integer>();
        }
        
        
        
    }
        static public int rotateOnce(int n){
            String s=""+n;
            if(s.length()>1){
                s=s.charAt(s.length()-1) + s.substring(0,s.length()-1);
                n=Integer.parseInt(s);
            }
            return n;
        }    
        
        static public boolean nobody(ArrayList<Integer> v,ArrayList<Integer> a){;
            for(int i=0;i<a.size();i++)
                if(v.contains(a.get(i))) return false;
            return true;
        } 
    
}


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

package codejam2012;

/**
 *
 * @author ESIEN
 */
public class C {
        static int numOfDigits;
        final static int max = 1001;
        static int div;
        static boolean[] found = new boolean[max];
        static int[]p = new int[max];
    public static void main(String[] args)throws java.io.IOException{
        java.util.Scanner fromFile = new java.util.Scanner(new java.io.File("input.txt"));
        java.io.PrintStream intoFile = new java.io.PrintStream("output.txt");
        int testCase = fromFile.nextInt();
        for (int test = 1; test <= testCase; test++){
        int a = fromFile.nextInt();
        int b = fromFile.nextInt();
        numOfDigits = 0;
        int t = a;
        while((t/=10)!=0)
            numOfDigits++;
        div = (int)Math.pow(10,numOfDigits);
        int ind=0;
        int totalCount = 0;
        for (int i = a; i <= b; i++){
            if (found[i])
                continue;
            found[p[ind++]=i]=true;
            int c = 0;
            for (int j = 0,k=i%10*div+i/10; j < numOfDigits && k!=i; k=k%10*div+k/10, j++)
                if (k<=b&&k>=a){
                    c++;
                    found[p[ind++]=k]=true;
                }
            totalCount+=(c&1)==0?(c>>1)*(c+1):((c+1>>1)*c);
        }
        for(int i = 0; i < ind; i++)
            found[p[i]]=false;
        intoFile.printf("Case #%d: %d%n",test,totalCount);
        }
        intoFile.close();
        fromFile.close();
    }
}
