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 * 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;
        } 
    
}


import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.Vector;


public class problemC {

	Vector<String> lines = new Vector<String>();
	
	public static void main(String[] arg) {
		problemC pc = new problemC();
		
		pc.lines = pc.readfile("C:\\eclipse\\Ashish\\files\\C-small-attempt0.in");
		int nooftestcases = Integer.parseInt(pc.lines.elementAt(0));
		System.out.println(nooftestcases);
		Vector<String> outlines = new Vector<String>();
		//int j=1;
		for (int i=1; i<=nooftestcases; i++) {
			String[] s = pc.lines.elementAt(i).split(" ");
			//int a = Integer.parseInt(s[0]);
			//int b = Integer.parseInt(s[1]);
			int k = pc.solveit(s[0], s[1]);
			String ol = "Case #" + i + ": " + k;
			outlines.add(ol);
			System.out.println(s[0] + " " + s[1] + ":" + k);
		}
		pc.writefile("C:\\eclipse\\Ashish\\files\\otestc.txt", outlines);
		
	}
	
	public int solveit(String fa, String fb) {
		int howmany =0;
		int len = fa.length();
		
		int ia=Integer.parseInt(fa);
		int ib=Integer.parseInt(fb);
			
		for (int cand=ia; cand<=ib; cand++) {
			String a = String.valueOf(cand);
			Vector<String> ms = new Vector<String>();
			
			System.out.println(a);
			String fno = a.substring(0, 1);
			//System.out.println(fno);
			int ifno = Integer.parseInt(fno);
			for (int i=1; i<len; i++) {
				String sno = a.substring(i, i+1);
				int isno = Integer.parseInt(sno);
				if (isno>ifno && isno !=0) {
					
					String rno = a.substring(i);
					String afno = a.substring(0, i);
					String nno = rno + afno;
					int inno = Integer.parseInt(nno);
					
					if (inno>cand && inno <= ib && ms.indexOf(nno) == -1) {
						ms.add(nno);
						howmany++;
						//System.out.println(" :" + nno);
					} else {
						//System.out.println("Rejected :" + nno);
					}
				} else if (isno==ifno && isno !=0) {
					String rno = a.substring(i);
					String afno = a.substring(0, i);
					String nno = rno + afno;
					int inno = Integer.parseInt(nno);
					if (inno>cand && inno <= ib && ms.indexOf(nno) == -1) {
						ms.add(nno);
						howmany++;
						String srno = a.substring(i);
						String safno = a.substring(0, i);
						String snno = rno + afno;
						//System.out.println(" :" + snno);						
					}
					
				}
				
			}
		}
		
		return howmany;
	}
	
	public void writefile(String name, Vector<String> l) {
		try{
			   // Create file 
			   FileWriter fstream = new FileWriter(name);
			   BufferedWriter out = new BufferedWriter(fstream);
			   for (int i=0; i<l.size(); i++) {
				   out.write((l.elementAt(i) + System.getProperty("line.separator")));
			   }
			   //Close the output stream
			   out.close();
			   }catch (Exception e){//Catch exception if any
			   System.err.println("Error: " + e.getMessage());
		  }
	
	}
	
	public  Vector<String> readfile(String fp) {
		Vector<String> lines = new Vector<String>();
		try {
			FileReader fr = new FileReader(fp); 
			BufferedReader br = new BufferedReader(fr); 
			String s; 
			while((s = br.readLine()) != null) { 
				//System.out.println(s); 
				lines.addElement(s);
			} 
			fr.close(); 
			
		}
		catch (Exception e) {
			System.out.println(e);
		}
		return lines;
	} 
	
}
