import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

import java.io.*;
public class CodeJamQual3b {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		 try{
			// Open the file that is the first 
			// command line parameter
			File file = new File("C-Large.in");
			FileInputStream fstream = new FileInputStream("C-Large.in");  
			// Get the object of DataInputStream
			DataInputStream in = new DataInputStream(fstream);
	        BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			FileWriter fout = new FileWriter("out3Large.txt");
			BufferedWriter outprint = new BufferedWriter(fout);
			//Read File Line By Line
			int i = 0;
			while (((strLine = br.readLine()) != null)) 	{
				if (i != 0 && i !=1111) {
					String[] stringArray = strLine.split(" ");
					
					int bot = Integer.parseInt(stringArray[0]);
					int top = Integer.parseInt(stringArray[1]);
					int counter = 0;
					int len = stringArray[0].length(); 
					//top
					for (int j = bot; j < top+1; j++) {
						counter = counter + count(j,top,bot,len);
						//System.out.println("j = " + j + "  " + count(j,top,bot));
					}
					//System.out.println (counter);
					
					outprint.write("Case #" + i + ": " + counter);
					outprint.newLine();
					System.out.println("Case #" + i + ": " + counter);
				}				
				i++;
			}
			
			//Close the input stream
			in.close();
			//Close the output stream
			outprint.close();
		}catch (Exception e){//Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
	}
	
	public static int count(int j, int top, int bot, int len){
		char[] cArray = Integer.toString(j).toCharArray();
		int out = 0;
		int[] log = new int[len];
		for (int k = 0; k < len-1; k++) {
			cArray = shift(cArray);
			boolean flag = true;
			//System.out.println(new String(cArray));
			int recycled = Integer.parseInt(new String(cArray));
			if ((j <recycled) && (recycled > bot) && (recycled <= top)){
				//System.out.println("(" + j + " , " + recycled + ")" + " [ " + bot + " |" + top + " ] ");
				for (int in = 0; in < len; in++){
					if (recycled == log[in]){
						flag = false;
						//System.out.println("REPEAT" + recycled);
						break;
					}
				}
				if (flag == true){
					log[k] = recycled;
					//System.out.println("(" + j + " , " + recycled + ")" + " [ " + bot + " |" + top + " ] ");
					out += 1;
				}
			}
				
		}
		return out;
	}
	
	public static char[] shift(char[] cArray) {
	    char[] nArray = new char[cArray.length];
	    nArray[0] = cArray[cArray.length-1];
	    for (int d = 1; d < cArray.length; d++){
	    	nArray[d] = cArray[d-1];
		}
		return nArray;
	}
}
