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.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;


public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader(args[0]));
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(args[0]+".out")));
		String l = in.readLine();
		int N = Integer.parseInt(l);
		int i=1;
		
		while((l=in.readLine())!= null)
		{
			int cnt = 0;
			String[] ll = l.split(" ");
			out.print("Case #"+i+++": ");
			int A = Integer.parseInt(ll[0]);
			int B = Integer.parseInt(ll[1]);
			for(int n=A;n<B;n++)
				for(int m=n+1;m<=B;m++)
				{
					String nS = ""+n;
					String mS = ""+m;
					if(nS.length()!=mS.length()) continue;
					boolean ok=false;
					for(int z=1;z<nS.length();z++)
						if(nS.equals(mS.substring(z)+mS.substring(0, z)))
						{
							ok=true;
							break;
						}
					if(ok) cnt++;
				}
			out.print(cnt);
			if(i<=N)	out.println("");
		}
		in.close();
		out.close();
	}
}
