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;
	}
}
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package recyclednumbers;

import java.io.*;

/**
 *
 * @author Peter
 */
public class RecycledNumbers {

    /**
     * @param args the command line arguments
     */
   
    public static void main(String[] args) {
        String inputFile, outputFile;
        inputFile = "C-small-attempt4.in"; //"C-small-attempt1.in";// "input.txt";
        outputFile = "output.txt";
        File file = new File(inputFile);
        FileInputStream fis = null;
        BufferedInputStream bis = null;
        DataInputStream dis = null;

        try {
            fis = new FileInputStream(file);
            // Here BufferedInputStream is added for fast reading.
            bis = new BufferedInputStream(fis);
            dis = new DataInputStream(bis);

            FileWriter fstream = new FileWriter(outputFile);
            BufferedWriter out = new BufferedWriter(fstream);

            String line, output;
            line = dis.readLine();
            int testCases = Integer.parseInt(line);
            int A, B, m, n, caseNo = 1, count = 0;
            String[] param;
            // dis.available() returns 0 if the file does not have more lines.
            while (dis.available() != 0) {
                output = "Case #" + caseNo + ": ";
                line = dis.readLine();
                param = line.split(" ");
                A = Integer.parseInt(param[0]);
                B = Integer.parseInt(param[1]);
                for(m = B; m > A; m--){
                    for(n = m - 1; n >= A; n--){
                        if(isRecycled(n + "", m + "")){
                            count++;
                           //System.out.println("n =" + n + " m =" + m + " count =" + count);
                        }
                    }
                }
                output += count;
                count = 0;
                out.append(output + "\n");
                caseNo++;
            }

            // dispose all the resources after using them.
            fis.close();
            bis.close();
            dis.close();
            out.close();

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    
    public static boolean isRecycled(String n, String m){
        boolean recycled = false;
        
        if(n.length() != m.length()){
            return recycled;
        }
        
        for(int i = 0;i< n.length() ; i++){
            if(n.equals(m)){
                recycled = true;
                break;
            }else{
                n = n.charAt(n.length() - 1) + n.substring(0, n.length() - 1);
                if(n.equals(m)){
                recycled = true;
                break;
                }
            }
        }
        return recycled;
    }
}
