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 CodeJam2012_Q_C {

	public int calc(int A, int B) {
		boolean[] checked = new boolean[B-A+1];
		int cnt = 0;
		int D = String.valueOf(A).length();
		int unit =1;
		for(int i=1; i<D; i++) unit*=10;
		
		for(int i=A; i<=B; i++) {
			if(!checked[i-A]) {
				checked[i-A] = true;
				int groupNum = 1;
				int cycled = i;
				for(int j=1; j<D; j++) {
					cycled = cycled/10+(cycled%10)*unit;
					if(A<=cycled && cycled<=B && !checked[cycled-A]) {
						groupNum++;
						checked[cycled-A] = true;
					}
				}
				cnt += groupNum*(groupNum-1)/2;
			}
		}
				
		return cnt;
	}
	
	public static void main(String[] args) {
		try{
			(new CodeJam2012_Q_C()).exec("C-small-attempt0.in", "2012_Q_C-small.out");
			}catch(Exception ex) {
				
			}
	}

	public final void exec(String inFileName, String outFileName) throws Exception{
		BufferedReader	inReader	= new BufferedReader(new FileReader(inFileName));
		PrintWriter		outWriter	= new PrintWriter(new BufferedWriter(new FileWriter(outFileName)));
		int caseNums=0;
		caseNums = Integer.parseInt(inReader.readLine());
		
		for(int i=0; i<caseNums; i++) {
			String[] input = inReader.readLine().split(" ");
			int A = Integer.valueOf(input[0]);
			int B = Integer.valueOf(input[1]);
			int outStr = calc(A, B);

			String fmtOutStr="Case #" + (i+1) + ": " + outStr;	
			outWriter.println(fmtOutStr);
			System.out.println(fmtOutStr);
		}
		System.out.println(caseNums + " cases complete");

		outWriter.close();
		inReader.close();
	}
}
