import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
import java.io.*;
import java.util.*;

public class C {
  public static void main(String[] args) throws Exception {
    Scanner sc = new Scanner(new FileReader("C-small-attempt0.in"));
    PrintWriter pw = new PrintWriter(new FileWriter("C-small-output.txt"));
    int T = sc.nextInt();
    int result;
    for (int k=1; k <= T; k++) {
      int A = sc.nextInt();
      int B = sc.nextInt();
      Hashtable<Integer, String> allResults = new Hashtable<Integer, String>();
      String nString = "" + A;
      int numDigits = nString.length();     // find number of digits
      
      result = 0;
      for (int n=A; n<B; n++) {
        nString = "" + n;
        for (int j=0; j<numDigits; j++) {
          String recycleString = nString.substring(j) + nString.substring(0,j);
          int recycled = Integer.parseInt(recycleString);
          if ( (recycled>n) && (recycled<=B) ) {
            String mn = n + "," + recycled;
            if (!allResults.contains(mn)) {
              allResults.put(mn.hashCode(), mn);
              result++;
            }
          }
        }
      }
      System.out.format("Case #%d: %d\n", k, result);
      pw.format("Case #%d: %d\n", k, result);
    }
    
    pw.flush();
    pw.close();
    sc.close();
  }
}