import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;

public class Recycled {
    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            int t = Integer.parseInt(br.readLine());
            for (int i = 0; i < t; i++) {
                String[] str = br.readLine().split(" ");
                int a = Integer.parseInt(str[0]);
                int b = Integer.parseInt(str[1]);
                System.out.println("Case #" + (i + 1) + ": " + find(a, b));
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static int find(int a, int b) {
        HashSet<Long> used = new HashSet<Long>();
        int digits = String.valueOf(a).length();
        if (digits == 1) return 0;
        for (int i = a; i <= b; i++) {
            int s = 10;
            int m = (int) Math.pow(10, digits-1);
            for (int j = 0; j < digits-1; j++) {
                int r = i % s;
                if (r < s/10) continue;
                int q = i / s;
                int rn = r * m + q;
                s *= 10; m /= 10;
                if (i != rn && rn >= a && rn <= b) {
                    long pp;
                    if (rn < i) pp = (long)rn << 30 | i;
                    else pp = (long)i << 30 | rn;
                    if (!used.contains(pp)) {
                        used.add(pp);
                    }
                }
            }
        }
        return used.size();
    }
}

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;
		}
}
