package Main;

import com.sun.deploy.util.ArrayUtil;
import org.apache.commons.lang3.ArrayUtils;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

/**
 * Created with IntelliJ IDEA.
 * User: arran
 * Date: 14/04/12
 * Time: 3:12 PM
 * To change this template use File | Settings | File Templates.
 */
public class Round {
    public StringBuilder parse(BufferedReader in) throws IOException {
        StringBuilder out = new StringBuilder();
        String lineCount = in.readLine();

        for (int i = 1; i <= Integer.parseInt(lineCount); i++)
        {
            out.append("Case #"+i+": ");
            System.err.println("Case #"+i+": ");
            String line = in.readLine();
            String[] splits = line.split(" ");
            int p1 = Integer.valueOf(splits[0]);
            int p2 = Integer.valueOf(splits[1]);
            int r = pairRecyclable(p1, p2);
            out.append(r);

//            if (i < Integer.parseInt(lineCount))
                out.append("\n");
        }
        return out;
    }

    public static int pairRecyclable(int i1, int i2) {
        HashSet<String> hash = new HashSet<String>();
        for (int i = i1; i < i2; i++)
        {
            String istr = String.valueOf(i);
            if (istr.length() < 2) continue;
            for (int p = 0; p < istr.length() ; p++)
            {
                String nistr = istr.substring(p,istr.length()).concat(istr.substring(0,p));
                if (Integer.valueOf(nistr) < i1) continue;
                if (Integer.valueOf(nistr) > i2) continue;
                if (nistr.equals(istr)) continue;
                String cnistr = (Integer.valueOf(nistr) > Integer.valueOf(istr)) ?  istr + "," + nistr : nistr + "," + istr;
                hash.add(cnistr);
            }
        }
        return hash.size();
    }

    public static void main(String[] args) {
        InputStreamReader converter = null;
        try {
            int attempt = 0;
            String quest = "C";
//            String size = "small-attempt";
            String size = "large";
            converter = new InputStreamReader(new FileInputStream("src/resource/"+quest+"-"+size+".in"));
            BufferedReader in = new BufferedReader(converter);
            Round r = new Round();
            String str = r.parse(in).toString();
            System.out.print(str);
            FileOutputStream fos = new FileOutputStream(quest+"-"+size+".out");
            OutputStreamWriter osw = new OutputStreamWriter(fos);
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(str);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

import java.io.*;
class ProbC
{
	String calculate(int low,int up)
	{	String ans="";
		int anscount=0;
		int l=low;
		int u=up;
		for(int i=l;i<=u;i++)
		{
				String num=Integer.toString(i);
				for(int j=1;j<num.length();j++)
				{
					String first=num.substring(0,j);
					String second=num.substring(j,num.length());
					String now=second+first;
					//System.out.println(now);
					if(now.charAt(0)=='0')
					{
						
					}
					else
					{
						int comp=Integer.parseInt(now);
						if(comp<=up&&i<comp)
						{
							anscount=anscount+1;
						}
					}
			}
		}
	
				return Integer.toString(anscount);
	}

	public static void main(String args[]) 
	throws IOException 
	{
		ProbC obj=new ProbC();
		
		File ii = new File ("C-large.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("ProbCoutputlarge.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		
		for(int i=0;i<cases;i++)
		{
			String temp1 = br.readLine();
			String parts [] = temp1.split(" ");
			
			int low=Integer.parseInt(parts[0]);
			int up=Integer.parseInt(parts[1]);
			int uc=0,lc=0;
			int temp=low;
			while(temp>0)
			{
				int a=temp%10;
				temp=temp/10;
				uc++;
			}
			temp=low;
			while(temp>0)
			{
				int a=temp%10;
				temp=temp/10;
				lc++;
			}
			if(uc==lc)
			{
				System.out.println("A and B have same number of digits");
				String result=obj.calculate(low,up);
				String finalans="Case #"+(i+1)+":  "+result+System.getProperty("line.separator");
				dout.writeBytes(finalans);
			}
			else
			{
				System.out.println("A and B do not have same number of digits");
			}
		
		}
	}
}