/*
 * 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.io.IOException;
import java.util.ArrayList;
import java.util.Vector;


public class RecycledNumbers {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		ReadFile.read("C:\\test\\input.txt");
		ArrayList<String> elements = ReadFile.getElements();
		//Number of cases to test
		int numberCases = Integer.valueOf(elements.get(0));
		if(numberCases > elements.size()) {
			System.out.println("Error in number of tests");
			System.exit(-1);
		}
		elements.remove(0);// remove the first element, so only lines to translate are left in the file
		
		StringBuilder outputFile = new StringBuilder();
		for(int i = 1; i <= elements.size(); i++){
			String[] numbers = elements.get(i-1).split(" ");
			outputFile.append("Case #" + i + ": " + countRecycledNumbers(new Integer(numbers[0]), new Integer(numbers[1]) ) );
			outputFile.append("\r\n");
		}
		WriteFile.write("C:\\test\\output.txt", outputFile.toString());
		
	}

	private static int countRecycledNumbers(Integer integer1, Integer integer2) {
		int countRecycled = 0;
		for(int i = integer1; i<integer2; i++){
			int countRecyclablePerNumber = countRecyclablePerNumber(i, integer1, integer2);
			if(countRecyclablePerNumber > 0)
				countRecycled+=countRecyclablePerNumber;
		}
		
		return countRecycled;
	}

	private static int countRecyclablePerNumber(int number, int min, int max) {
		if(number < 10 ) return 0;
		int count = 0;
		String value = String.valueOf(number);
		char[] charValues = value.toCharArray();
		Vector<Integer> vectorRecycledNumbers = new Vector<Integer>();
		for(int i=0; i<value.length()-1; i++){
			String newValue = "";
			for(int j=value.length()-1-i; j<value.length(); j++){
				newValue += charValues[j];
			}
			for(int j=0; j<value.length()-1-i; j++){
				newValue += charValues[j];
			}	
			int newIntValue = Integer.valueOf(newValue);
			if(newIntValue <= max && newIntValue >= min && number < newIntValue 
					&& !vectorRecycledNumbers.contains(newIntValue)){
				count++;
				vectorRecycledNumbers.add(newIntValue);
			}
		}
		vectorRecycledNumbers.clear();
		return count;
	}

	
}
