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.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class C {
    static final int MAX_N = 2000000;
    static int[][] precalc;
    static {
        precalc = new int[MAX_N + 1][];
        List<Integer> values = new ArrayList<Integer>();
        for (int i = 1, deg = 1; i <= MAX_N; ++i) {
            if (i == deg * 10) {
                deg *= 10;
            }
            values.clear();
            int curr = (i % 10) * deg + (i / 10);
            while (curr != i) {
                if (curr > i) {
                    values.add(curr);
                }
                curr = (curr % 10) * deg + (curr / 10);
            }
            int[] z = new int[values.size()];
            for (int j = 0; j < z.length; ++j) {
                z[j] = values.get(j);
            }
            precalc[i] = z;
        }
    }

    public void run(Scanner in, PrintWriter out, int nCase) {
        int min = in.nextInt();
        int max = in.nextInt();
        int count = 0;
        for (int i = min; i <= max; ++i) {
            for (int j : precalc[i]) {
                if (j <= max) {
                    ++count;
                }
            }
        }
        out.printf("Case #%d: %d%n", nCase, count);
    }

    public static void main(String[] args) throws FileNotFoundException {
        String filename = C.class.getSimpleName().toLowerCase();

        Scanner in = new Scanner(new File(filename + ".in"));
        PrintWriter out = new PrintWriter(filename + ".out");

        int nCases = in.nextInt();

        for (int i = 1; i <= nCases; ++i) {
            new C().run(in, out, i);
        }

        out.close();
        in.close();
    }
}
