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

public class B {
  private static boolean isRecyclePair(int n, int m){
    String n_str=""+n;
    String m_str=""+m;
    for(int i=0; i<n_str.length(); i++){
      String candidate=n_str.substring(i)+n_str.substring(0, i);
      if(m_str.equals(candidate)) return true;
    }
    return false;
  }
  private static void gcjMethod(String[] input){
    int a=Integer.parseInt(input[0]);
    int b=Integer.parseInt(input[1]);
    int res=0;
    // System.out.format("A=%d, B=%d\n", a, b);
    for(int i=a; i<=b; i++)
      for(int j=i+1; j<=b; j++)
        if(isRecyclePair(i, j)) res++;
    System.out.println(res);
    return;
  }

  public static final void main(final String[] args) {
    String line;
    int numCase;
    String[] input;

    BufferedReader d = new BufferedReader(new InputStreamReader(System.in));
    try{
      numCase=Integer.parseInt(d.readLine());
      for(int i=0; i<numCase; i++){
        line=d.readLine();
        input=line.split(" ");
        System.out.print(String.format("Case #%d: ", i+1));
        gcjMethod(input);
      }
    }
    catch(Exception e){
      System.out.println(e);
    }
  }
}