/*
 * 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 problem.c;
import java.util.Scanner;
import java.io.*;

/**
 *
 * @author Jason
 */
public class ProblemC {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Scanner input = new Scanner(System.in);
        System.out.println("Enter name of input file: ");
        File inputFile = new File(input.next());
        File outputFile = new File("output.txt");
        Scanner file = null;
        PrintWriter output = null;
        while(file == null)
        {
            try{
                file = new Scanner(inputFile);
                output = new PrintWriter(outputFile);
            }
            catch(Exception E){
                System.out.println("invalid file");
            }
        }
        int cases = file.nextInt();
        file.nextLine();
        for (int i = 0; i < cases;)
        {
            int pairs = 0;
            int A = file.nextInt();
            int B = file.nextInt();
            for(;A < B;A++)
            {
                int[] newA = null;
                if (A>999999)
                    newA = new int[7];
                else if (A>99999)
                    newA = new int[6];
                else if (A>9999)
                    newA = new int[5];
                else if (A>999)
                    newA = new int[4];
                else if (A>99)
                    newA = new int[3];
                else if (A>9)
                    newA = new int[2];
                else
                    newA = new int[1];
                int tempA = A;
                for(int j = newA.length-1; j >= 0;j--)
                {
                    newA[j] = tempA % 10;
                    tempA = tempA / 10;
                }
                int[] savedFound = {0, 0, 0, 0, 0, 0};
                int foundIterator = 0;
                for(int j = 0; j < newA.length-1; j++)
                {
                    int temp = newA[newA.length-1];
                    for(int k = 0; k < newA.length; k++)
                    {
                        int temp2 = newA[k];
                        newA[k] = temp;
                        temp = temp2;
                    }
                    temp = 0;
                    for(int k =  newA.length-1, tens = 1; k >= 0;k--,tens*=10)
                    {
                        temp += newA[k]*tens;
                    }
                    if (temp > A && temp <= B && temp != savedFound[0] && temp
                            != savedFound[1] && temp != savedFound[2] && temp
                            != savedFound[3] && temp != savedFound[4] && temp
                            != savedFound[5] )
                    {
                        pairs++;
                        savedFound[foundIterator++] = temp;
                    }
                }
            }
            output.println("Case #" + ++i + ": " + pairs);
        }
        output.close();
    }
}