package codejam;

import java.util.*;
import java.io.*;

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}


import java.io.*;
import java.util.*;

public class CodeJam2012_Q_C {

	public int calc(int A, int B) {
		boolean[] checked = new boolean[B-A+1];
		int cnt = 0;
		int D = String.valueOf(A).length();
		int unit =1;
		for(int i=1; i<D; i++) unit*=10;
		
		for(int i=A; i<=B; i++) {
			if(!checked[i-A]) {
				checked[i-A] = true;
				int groupNum = 1;
				int cycled = i;
				for(int j=1; j<D; j++) {
					cycled = cycled/10+(cycled%10)*unit;
					if(A<=cycled && cycled<=B && !checked[cycled-A]) {
						groupNum++;
						checked[cycled-A] = true;
					}
				}
				cnt += groupNum*(groupNum-1)/2;
			}
		}
				
		return cnt;
	}
	
	public static void main(String[] args) {
		try{
			(new CodeJam2012_Q_C()).exec("C-small-attempt0.in", "2012_Q_C-small.out");
			}catch(Exception ex) {
				
			}
	}

	public final void exec(String inFileName, String outFileName) throws Exception{
		BufferedReader	inReader	= new BufferedReader(new FileReader(inFileName));
		PrintWriter		outWriter	= new PrintWriter(new BufferedWriter(new FileWriter(outFileName)));
		int caseNums=0;
		caseNums = Integer.parseInt(inReader.readLine());
		
		for(int i=0; i<caseNums; i++) {
			String[] input = inReader.readLine().split(" ");
			int A = Integer.valueOf(input[0]);
			int B = Integer.valueOf(input[1]);
			int outStr = calc(A, B);

			String fmtOutStr="Case #" + (i+1) + ": " + outStr;	
			outWriter.println(fmtOutStr);
			System.out.println(fmtOutStr);
		}
		System.out.println(caseNums + " cases complete");

		outWriter.close();
		inReader.close();
	}
}
