import java.util.HashSet;
import java.util.Scanner;

public class C {

	static HashSet p = new HashSet();
	static int low;
	static int high;
	int count = 0;

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int no = sc.nextInt();

		for (int i = 1; i <= no; i++) {

			p.clear();
			low = sc.nextInt();
			high = sc.nextInt();

			for (int l = low; l <= high; l++) {
				recycle(l);
			}
			System.out.println("Case #" + i + ": " + p.size());

		}
	}

	public static void recycle(int no) {

		String s = Integer.toString(no);
		for (int i = 0; i < s.length(); i++) {
			String rec = s.substring(i) + s.substring(0, i);
			int r = Integer.parseInt(rec);
			if (r != no && r >= low && r <= high) {
				int min = Math.min(r, no);
				int max = Math.max(r, no);
				String a = Integer.toString(min) + "" + Integer.toString(max);
				p.add(a);

			}
		}

	}
}

package qualifying;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

public class C {

		public static void main(String[] args) throws Exception {
			
			String fs_in = "/Users/ctynan/Downloads/test.txt";
			String fs_out = "/Users/ctynan/Documents/C-out.txt";
			String line;
			BufferedReader br = new BufferedReader(new FileReader(fs_in));
			BufferedWriter bw = new BufferedWriter(new FileWriter(fs_out));
			
			line=br.readLine();
			line=line.toLowerCase();
			int tst = Integer.valueOf(line);
			
			for(int ii=0;ii<tst; ii++) {
				line=br.readLine();
				String output = "Case #" + Integer.toString(ii+1) +": ";
				String[] tem = line.split(" ");
				int A = Integer.valueOf(tem[0]);
				int B = Integer.valueOf(tem[1]);
				int cnt=0;
				
				for(int i=A; i<B; i++) {
					String s = Integer.toString(i);
					int[] got = new int[12];
					int goti=0;
					
					for(int j=0; j<s.length(); j++) {
						String t = s.substring(j)+s.substring(0, j);
						int tm = Integer.valueOf(t);
						if(tm>i&&tm<=B) {
							boolean have = false;
							for(int l=0;l<goti;l++) 
								if(got[l]==tm) { have=true; break; }
							if(!have) {
								got[goti]=tm;
								goti++;
								cnt++;
							}
						}
					}
				}
				bw.write(output);
				bw.write(Integer.toString(cnt));
				if(ii<tst-1) bw.write('\n');
			}
			bw.close();
			return;
		}
}
