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.util.ArrayList;
import java.util.Scanner;

public class RecycledNumbers {
	static ArrayList<pair> list=new ArrayList<pair>();
	public static void main(String[] args) {
		int pow[]=new int[10];
		for(int i=0;i<10;i++){
			pow[i]=(int)Math.pow(10, i);
		}
		
		Scanner sc=new Scanner(System.in);
		int t=sc.nextInt();
		for(int i=0;i<t;i++){
			int a=sc.nextInt();
			int b=sc.nextInt();
			int ans=0;
			for(int n=a;n<=b;n++){
				int keta=0;
				for(int k=10;n/k>0;k*=10)
					keta++;
				list.clear();
				for(int k=0;k<keta;k++){
					int m=n/pow[k+1]+(n%pow[k+1])*pow[keta-k];
					if(n<m && m<=b){
						if(some(n,m)){
							list.add(new pair(n,m));
							ans++;
						}
					}
				}
			}
			System.out.println("Case #"+(i+1)+": "+ans);
		}
	}
	static boolean some(int n,int m){
		for(pair p : list){
			if(p.equals(n, m)){
				return false;
			}
		}
		return true;
	}
	static class pair{
		int n,m;
		public pair(int n,int m){
			this.n=n;
			this.m=m;
		}
		public boolean equals(int n,int m){
			return this.n==n && this.m==m;
		}
	}
}
