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

public class Recycled {

  public static void main(String[] args) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String line = br.readLine();
    int t = Integer.parseInt(line);
    for (int i = 0; i < t; i++) {
      Set<String> set = new HashSet<String>();
      line = br.readLine();
      String[] split = line.split(" ");
      int A = Integer.parseInt(split[0]);
      int B = Integer.parseInt(split[1]);
      int digits = String.valueOf(A).length();
      if (digits != 1){
        for (int j = A; j <= B; j++) {
          String oldString = String.valueOf(j);
//          System.out.println("AA  " + oldString);
          for (int j2 = 1; j2 < digits; j2++) {
            String newString = oldString.substring(j2).concat(oldString.substring(0, j2));
            if(newString.charAt(0) == '0')continue;
            int newInt = Integer.valueOf(newString);
            if (newInt >= A && newInt <= B && j<newInt) {
//              System.out.println("BBB  " + newString);
              set.add(oldString+newString);
            }
          }
        }
      }
      System.out.println("Case #" + (i + 1) + ": " + set.size());
    }
  }

}
