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;
	}
}
package qual;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Scanner;

public class Recycled {
	public static void main(String[] args) throws IOException {
		new Recycled().run();
	}
	class Pair {
		int a, b;
		Pair(int a, int b) {
			this.a = a;
			this.b = b;
		}
		public boolean equals(Object other) {
			Pair p = (Pair) other;
			return this.a == p.a && this.b == p.b;
		}
		public int hashCode() {
			return this.a * 2000003 + this.b;
		}
		
	}
	public HashSet<Pair> set = new HashSet<Pair>();
	
	void add(Pair p, int left, int right) {
		if (p.a < p.b && left <= p.a && p.a <= right && left <= p.b && p.b <= right) {
			set.add(p);
		}
	}
	
	int powers[] = {10, 100, 1000, 10000, 100000, 1000000, 10000000};
	
	void fill(int left, int right, int curpow) {
		for (int i = left; i <= right; i++) {
			int val = i;
			for (int p : powers) {
				if (val >= p) {
					int lp = val / p;
					int rp = val % p;
					int newval = rp * (curpow / p) + lp;
					add(new Pair(val, newval), left, right);
				}
			}
		}
	}
	
	public void run() throws IOException {
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		
		fill(1,       9,       10);
		fill(10,      99,      100);
		fill(100,     999,     1000);
		fill(1000,    9999,    10000);
		fill(10000,   99999,   100000);
		fill(100000,  999999,  100000);
		fill(1000000, 2000000, 10000000);
		
		int tests = in.nextInt();
		for (int test = 0; test < tests; test++) {
			int a = in.nextInt(), b = in.nextInt();
			int count = 0;
			for (Pair p: set) {
				if (a <= p.a && p.a <= b && a <= p.b && p.b <= b) {
					count++;
				}
			}
			out.printf("Case #%d: %d\n", test + 1, count); 
		}
		out.close();
	}
}
