/*
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 * and open the template in the editor.
 */

package Happy;
import java.io.*;
import java.math.*;
import java.lang.*;
import java.util.*;
import java.util.Arrays.*;
import java.io.BufferedReader;
//import java.io.IOException;
//import java.io.InputStreamReader;
//import java.io.PrintWriter;
//import java.util.StringTokenizer;

/**
 *
 * @author ipoqi
 */
public class Happy {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new Happy().haha();
    }

    public void haha() {
        BufferedReader in = null;
        BufferedWriter out = null;
        try{
            in = new BufferedReader(new FileReader("C-large.in"));
            out = new BufferedWriter(new FileWriter("LLL.out"));
            int T = Integer.parseInt(in.readLine());
            System.out.println("T="+T);

            //LinkedList<Integer> mm = new LinkedList<Integer>();
            //mm.add(new LinkedList<Integer>());
           //int[][] mm;
           //for(int ii=0;ii<mm.length;ii++){
           //     mm[0][ii] = 1;
           //}


            for(int i=0;i<T;i++){
                String[] line = in.readLine().split(" ");
                int A = Integer.parseInt(line[0]);
                int B = Integer.parseInt(line[1]);
                //System.out.print(" A = "+A+"\n");
                //System.out.print(" B = "+B+"\n");

                int ans = 0;

                
                for(int j=A;j<B;j++){
                    int n=j;
                    if(n>=10){
                        String N = Integer.toString(n);
                        int nlen = N.length();
                        List<Integer> oks = new ArrayList<Integer>();
                        for(int k=0;k<nlen-1;k++){
                            String M = "";
                            for(int kk=1;kk<=nlen;kk++){
                                 M = M + N.charAt((k+kk)%nlen);
                            }
                            int m = Integer.parseInt(M);
                            //System.out.print(" N = "+N+"\n");
                            //System.out.print(" M = "+M+"\n");

                            if(m>n && m<=B) {
                                boolean isNewOne = true;
                                for(int kkk=0;kkk<oks.size();kkk++){
                                    //System.out.print(" KKK = "+oks.get(kkk)+"\n");
                                    if(m==oks.get(kkk)){
                                        isNewOne = false;
                                    }
                                }
                                if(isNewOne){
                                    //System.out.print(" N = "+N+"\n");
                                    //System.out.print(" M = "+M+"\n");
                                    oks.add(m);
                                    ans++;
                                }
                            }
                        }
                    }
                }
                out.write("Case #"+(i+1)+": "+ans+"\n");
                System.out.print("Case #"+(i+1)+": "+ans+"\n");
            }
            in.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            try{
                in.close();
                out.close();
            }catch(Exception e1){
                e1.printStackTrace();
            }
        }
        System.out.print("YES!\n");
    }

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

class problemC {
	static class Coordinate implements Comparable<Coordinate> {
		int x, y;

		public Coordinate(int x, int y) {
			this.x = x;
			this.y = y;
		}

		public boolean equal(Object o) {
			if (o == null || !(o instanceof Coordinate)) {
				return false;
			} else {
				return ((Coordinate)o).x == this.x &&
					((Coordinate)o).y == this.y;
			}
		}

		@Override
		public int compareTo(Coordinate o) {
			// TODO Auto-generated method stub
			if (o.x == this.x && o.y == this.y)
				return 0;
			else
				return -1;
		}
		
		public String toString() {
			return "(" + Integer.toString(x) + "," + Integer.toString(y) + ")";
		}
	}

	public static void main(String[] args) throws FileNotFoundException {
		String myFilename = (args.length < 1) ? "test" : args[0];
		Set<Coordinate> mySet = new TreeSet<Coordinate>();
		Scanner sc = new Scanner(new File(myFilename));
		int testCases, A, B, maxDigits, newNum;
		String currNumStr, shiftedNumStr, frontStr, newStr;

		testCases = sc.nextInt();
		sc.nextLine();

		for (int cases = 0; cases < testCases; cases++) {
			A = sc.nextInt();
			B = sc.nextInt();

			mySet.clear();
			for (int x = A; x <= B; x++) {
				currNumStr = Integer.toString(x);
				maxDigits = currNumStr.length();
				// Shifting 0 and maxDigits won't change the number
				for (int digitsToShift = 1; digitsToShift < maxDigits; digitsToShift++) {
					shiftedNumStr = currNumStr.substring(digitsToShift, currNumStr.length());
					if (shiftedNumStr.charAt(0) == '0')
						continue;
					frontStr = currNumStr.substring(0, digitsToShift);
					newStr = shiftedNumStr + frontStr;
					newNum = Integer.parseInt(newStr);
					if (x < newNum && newNum >= A && newNum <= B)
						mySet.add(new Coordinate(x, newNum));
				}
			}

			System.out.println("Case #" + (cases+1) + ": " + mySet.size());
		}
	}
}
