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 C {
	public static void main(String[] args) throws Exception {
		String inputfilename = args[0];
		String outputfilename = args[1];
		BufferedReader br = new BufferedReader(new FileReader(inputfilename));
		BufferedWriter bw = new BufferedWriter(new FileWriter(outputfilename));
		int cases = Integer.valueOf(br.readLine());
		for(int i = 0; i < cases; i++) {
			String[] ele = br.readLine().split(" ");
			int A = Integer.valueOf(ele[0]);
			int B = Integer.valueOf(ele[1]);
			int result = C.solve(A,B);
			bw.write("Case #" + (i + 1) + ": " + result + "\n");
		}
		br.close();
		bw.close();
	}
	
	public static int solve(int A,int B) {
		int cnt = 0;
		//System.out.println("\nDoing " + A + " " + B);
		String Astr = String.valueOf(A);
		String Bstr = String.valueOf(B);
		for(int cur = A; cur <= B; cur++) {
			String cstr = String.valueOf(cur);
			//System.out.println("\n" + cstr + "\n");
			Set<String> tset = new HashSet<String>();
			for(int i = 1; i < cstr.length(); i++)
			{
				String tmp = cstr.substring(i) + cstr.substring(0,i);
				//System.out.println(" " + tmp);
				if(tmp.compareTo(cstr) > 0 && tmp.compareTo(Bstr) <= 0 && !tset.contains(tmp)) {
					cnt++;
					tset.add(tmp);
					//System.out.print(" " + cstr + "!!" +tmp);
				}
			}
		}
		return cnt;
	}
}