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package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

import java.util.ArrayList;
import java.util.HashSet;


public class ProbC {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		ArrayList<String> in=Utils.readFile("C-small-attempt0.in.in");
		ArrayList<String> out =new ArrayList<String>();
		//int[][] matrix=new int[100000][100000];
		for (int i = 1; i < in.size(); i++) {
			String[] str=in.get(i).split(" ");
			int A= Integer.parseInt(str[0]);
			int B= Integer.parseInt(str[1]);
			int numA=numDigit(A);
			int count=0;
			HashSet<Integer> checkDup=new HashSet<Integer>();
			for(int j=A;j<=B;j++){
				for(int pos=1;pos<numA;pos++){
					int recycle=rotate(j,pos);
					//System.out.println(i+": "+j+ " vs "+recycle);
					if(recycle<=B&&j<recycle){
						if(!checkDup.contains(recycle)){
							count++;//System.out.println("**************"+j+"<=>"+recycle);
							checkDup.add(new Integer(recycle));
						}		
						//System.out.println(i+": "+j +" vs "+recycle+"**********");	
					}
				}
				checkDup.clear();
			}
			System.out.println("Case #"+i+": "+ count);
			
			
			
		}
//		for(int i=1000;i<1200;i++){
//			System.out.println(i+"=>"+rotate(i,4));
//		}

	}

	private static int myExp(int e){
		if(e==1)
			return 1;
		if(e==2)
			return 10;
		if(e==3)
			return 100;
		if(e==4)
			return 1000;
		if(e==5)
			return 10000;
		if(e==6)
			return 100000;
		//if(e==7)
		return 1000000;
		
	}
	private static int rotate(int A,int pos) {
		int num=numDigit(A);
		if(pos==1)
			return (A%10)*myExp(num-pos+1)+A/10;
		if(pos==2)
			return (A%100)*myExp(num-pos+1)+A/100;
		if(pos==3)
			return (A%1000)*myExp(num-pos+1)+A/1000;
		if(pos==4)
			return (A%10000)*myExp(num-pos+1)+A/10000;
		if(pos==5)
			return (A%100000)*myExp(num-pos+1)+A/100000;
		if(pos==6)
			return (A%1000000)*myExp(num-pos+1)+A/1000000;
		//if(pos==7)
		return (A%10000000)*myExp(num-pos+1)+A/10000000;
	}
	private static int numDigit(int A) {
		if(A/1000000>0)
		return 7;
		if(A/100000>0)
			return 6;
		if(A/10000>0)
			return 5;
		if(A/1000>0)
			return 4;
		if(A/100>0)
			return 3;
		if(A/10>0)
			return 2;
		return 1;
	}

}
