import java.util.Scanner;
import java.io.*;
import java.lang.Math;


public class C{
	public static int recycle(String str){
		String[] numbers = str.split(" ");
		int min = Integer.parseInt(numbers[0]);
		int max = Integer.parseInt(numbers[1]);
		int ret = 0;

		for(int i = min; i < max; i++){
			String num = i + "";
			int len = num.length();
			int k = i;
			for(int j = 1; j < len; j++){
				k = (k/10) + (int)java.lang.Math.pow(10.0,(double)(len-1))*(k%10);
				if (k > i && k <= max)
					ret++;
				else if(k == i)
					break;
			}
		}

		return ret;
	}

	public static void main(String[] args){
		Scanner sc = null;
		String next;
		int out;
		try{
			sc = new Scanner(new File("C-large.in"));
			int cases = Integer.parseInt(sc.nextLine());
			int current = 0;
			

			FileWriter fs = new FileWriter("output.txt");
			BufferedWriter buff = new BufferedWriter(fs);
			while(current < cases){
				next = sc.nextLine();
				current++;
				out = recycle(next);
				buff.write("Case #" + current + ": " + out + "\n");
			}
			buff.close();
		}
		catch(Exception ex){}
	}
}
package recyclednumbers;

import java.util.ArrayList;


public class RecycledNumbers {

    static SimpleReader reader;
    static SimpleWriter writer;
    
    static int low;
    static int high;

    public static void main(String[] args) {
        if (args.length != 1) {
            reader = new SimpleReader();
            writer = new SimpleWriter();
        } else {
            reader = new SimpleReader(args[0]);
            writer = new SimpleWriter(args[1]);
        }
        int cases = reader.readInt();
        int[] lohi;
        for (int i = 0; i < cases; i++) {
            lohi = reader.readIntArray();
            low = lohi[0];
            high = lohi[1];
            solve(i + 1);
            System.out.println("Case " + (i + 1) + " done");
        }
        writer.flush();
        System.out.println("Done");
    }
    
    private static void solve(int caseNo) {
        int ans = 0;
        int length = Integer.toString(low).length();
        for (int i = low; i <= high; i++) {
            String s = Integer.toString(i);
            ArrayList<Integer> seen = new ArrayList<>();
            for (int j = 1; j < length; j++) {
                int cycle = Integer.parseInt(s.substring(j, length) + 
                                             s.substring(0, j));
                if (!seen.contains(cycle) && cycle <= high && cycle > i) {
                    ans++;
                    //System.out.println(Integer.toString(i) + " " + Integer.toString(cycle));
                }
                seen.add(cycle);
            }
        }
        writer.writeLine("Case #" + caseNo + ": " + ans);
    }
    
    private static boolean isRecycled(int n, int m) {
        String ns = Integer.toString(n);
        String ms = Integer.toString(m);
        if (ns.length() != ms.length()) {
            return false;
        }
        for (int i = 1; i < ns.length(); i++) {
            if (ns.equals(ms.substring(i, ms.length()) + ms.substring(0, i))) {
                return true;
            }
        }
        return false;
    }
}
