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.*;
import java.util.*;
class c {
	public static int count(String A, String B) {
		int count=0;
		int a = Integer.parseInt(A);
		int b = Integer.parseInt(B);
		for(int i=a; i<=b;i++) {
			int n = i;
			int len = String.valueOf(i).length();
			for(int j= 1;j < len;j++) {
				String mod = String.valueOf(i).substring(len-j, len) + String.valueOf(i).substring(0, len - j);
				int m = Integer.parseInt(mod);
				if(a<=n && n<m && m<=b)  {
					count ++;
				}
			}
		}
		return count;
	}
	public static void main(String args[])throws Exception {
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		int T = Integer.parseInt(in.readLine());
		for(int i=0;i<T;i++) {
			String line = in.readLine();
			String n[] = line.split(" ");
			System.out.println("Case #" + (i+1) + ": " + count(n[0] , n[1]));
		}
	}
}
