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

public class Q3 {

	static int m1(String s) {
		int count=0;
		Scanner sc=new Scanner(s);
		int a=sc.nextInt(), b=sc.nextInt();
		String s1=null, s2=null;
		for (int n=a; n<b; n++)
		{
			for (int m=n+1; m<=b; m++)
			{
				s1=String.valueOf(n); s2=String.valueOf(m);
				if (s1.length()==s2.length())
				{
					List<String> iso=new ArrayList<String>();
					for (int i=0; i<s1.length()-1; i++)
						iso.add(s1.substring(s1.length()-i-1)+s1.substring(0, s1.length()-i-1));
					for (String ss:iso)
						if (ss.equals(s2))
							count++;
				}
			}
		}
		return count;
	}
	public static void main(String[] args) throws IOException {
		File inFile=new File("C-small-attempt0.in");
		File outFile=new File("C-small-attempt0.out");
		BufferedReader br=new BufferedReader(new FileReader(inFile));
		PrintWriter out=new PrintWriter(new FileWriter(outFile));
		StringBuilder sb=new StringBuilder();
		int ntc=Integer.parseInt(br.readLine());
		for (int tc=1; tc<=ntc; tc++)
		{
			String s=br.readLine();
			sb.append("Case #"+tc+": "+m1(s)+"\n");
		}
		out.write(sb.toString());
		br.close();
		out.close();
	}
}
