import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;


public class Main {

//	static int MAX = 10000;
	static int MAX = 2000000;
	static Object[] All = new Object[MAX+1];
	
	static int size( int x ) {
		if(x>999999) return 7;
		if(x>99999)  return 6;
		if(x>9999)   return 5;
		if(x>999)    return 4;
		if(x>99)     return 3;
		if(x>9)      return 2;
		return 1;
	}
	static int[] rotate( int value ) {
		List<Integer> result = new ArrayList<Integer>();
		int[] V = new int[8];
		int s = size(value);
		int x = value;
		
		for(int i=s-1;i>=0;i--) {
			V[i] = x%10;
			x /=10;
		}
		int rot;
		for(int i=1; i<s; i++) {
			if(V[i]!=0){
				rot=0;
				for(int j=0,ii=i;j<s; j++,ii=(ii+1)%s){
					rot=rot*10+V[ii];
				}
				if(rot>value && !result.contains(rot))
					result.add(rot);
			}
		}
		if( result.isEmpty() )
			return null;
		int[] r = new int[result.size()];
		for(int i=0; i<r.length; i++)
			r[i]=result.get(i);
		return r;
	}
	
	static void precalculate() {
		for(int i=1; i<=MAX; i++){
			All[i] = rotate(i);
		}
	}
	static int solve( Scanner in ) {
		int A, B, sol=0;
		
		A = in.nextInt();
		B = in.nextInt();

		for( int i=A; i<=B; i++) {
//			List<Integer> result = rotate(i);
			if( All[i]!=null ) {
				for(int value: (int[])All[i] ) {
					if( value <= B )
						sol++;
				}
			}
		}

		return sol;
	}
	
	public static void main ( String args[] ) {
		int T; 
		Scanner in = new Scanner(System.in);
		T = in.nextInt();
		int cnt=0;
		int sol;
		precalculate();
		for( cnt=1; cnt<=T; cnt++ ) {
			sol = solve( in );
			System.out.printf("Case #%d: %d\n", cnt, sol);
		}

	}
}

package y2012;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.BitSet;
import java.util.HashSet;
import java.util.Set;

public class RecycledNumbers {
    static public void main(String args[]) throws IOException {
         System.setIn(new FileInputStream("src/y2012/C-large.in"));
        // System.setIn(new FileInputStream("src/y2012/RecycledNumbers.in"));
//        System.setIn(new FileInputStream("src/y2012/C-small-attempt0.in"));
        BufferedReader cin = new BufferedReader(new InputStreamReader(System.in));
         BufferedWriter wr = new BufferedWriter(new FileWriter("src/y2012/C-large.out"));
//        BufferedWriter wr = new BufferedWriter(new FileWriter("src/y2012/C-small-attempt0.out"));
        int nTests = Integer.valueOf(cin.readLine());
        String line;
        int tid = 0;
        while ((line = cin.readLine()) != null) {
            String[] sa = line.split("\\s+");
            int A = Integer.parseInt(sa[0]);
            int B = Integer.parseInt(sa[1]);
            int rlst = 0;
            BitSet bits = new BitSet(B);
            for (int i = A; i <= B; i++)
                bits.set(i, true);
            for (int i = A; i <= B; i++) {
                if (bits.get(i)) {
                    char cs[] = new String().valueOf(i).toCharArray();
                    int n = cs.length;
                    Set<Integer> set = new HashSet<Integer>();
                    set.add(i);
                    for (int j = 0; j < n - 1; j++) {
                        String s = new String(Arrays.copyOfRange(cs, 1, n)) + cs[0];
                        cs = s.toCharArray();
                        int k = Integer.valueOf(s);
                        if (s.charAt(0) != 0 && A <= k && k <= B) {
                            set.add(k);
                            bits.set(k, false);
                        }
                    }
                    rlst += set.size() * (set.size() - 1) / 2;
                }
            }
            ++tid;
            wr.write("Case #" + tid + ": " + rlst + "\n");
        }
        wr.close();
        cin.close();
    }
}