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.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;


public class Prob3 {

	
	public static void main(String[] args) throws NumberFormatException, IOException {
//		String filePath = "C://Users//Apoorv//Desktop//test1.txt";
		String filePath = "C://Users//Apoorv//Downloads//C-small-attempt0.in";
		BufferedReader br2 = new BufferedReader(new InputStreamReader(
				new DataInputStream(new FileInputStream(filePath))));

		FileWriter fstream = new FileWriter(
				"C://Users//Apoorv//Dropbox//Code//workspace//CodeJam//src//tempAnswer.txt");
		BufferedWriter out = new BufferedWriter(fstream);

		String str = null;
		long count = 0;
		Integer numCases = 0;
		numCases = Integer.parseInt(br2.readLine());
		for (int curCase = 0; curCase < numCases; curCase++) {
			System.out.print("Case #" + (curCase + 1) + ": ");
			out.write("Case #" + (curCase + 1) + ": ");
			str = br2.readLine();
			String[] tokens = str.split(" ");
			
			int num1 = Integer.parseInt(tokens[0]);
			int num2=  Integer.parseInt(tokens[1]);
			int curLength = getLength(num1);
			int countOfPossibilities=0;
			for (Integer curNumber = num1;curNumber<num2;curNumber++){
				String numString1 = curNumber.toString();
				char[] charArray1 = numString1 .toCharArray();
				for(int curIteration = curLength;curIteration>1;curIteration--){
					char[] charArrayBuilding = new char[charArray1.length];
					for(int i=0;i<curLength;i++){
						charArrayBuilding[i] = charArray1[(curIteration-1+i) % (curLength)];	
					}
					StringBuilder g = new StringBuilder();
					for(int i=0;i<charArrayBuilding.length;i++){
//						System.out.print(charArrayBuilding[i]);
						g.append(charArrayBuilding[i]);
					}
//					System.out.print(",");
					
					
					int newNumber=Integer.parseInt(g.toString());
					if(newNumber>curNumber && newNumber<=num2 && getLength(newNumber)==curLength){
						countOfPossibilities++;
						System.out.print(newNumber + ",");
//						out.write(newNumber + ",");
					}
				}
			}
			System.out.println(countOfPossibilities);
			out.write(countOfPossibilities + "\n");
		}
		out.close();
	}

	private static int getLength(int num1) {
		int exponent = 1;
		while(true){
			num1/=10;
			if(num1==0){
				return exponent;
			}
			else
				exponent++;
		}		
	}
}

