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.*;
import java.io.*;
import java.lang.Number;

public class number {
	public static void main(String[] args) throws FileNotFoundException {
		Scanner fileReader = new Scanner(new File("C-small-attempt0.in"));
		PrintStream output = new PrintStream(new File("outputAwesome2.txt"));
		

		// Process file
		int repetitions = fileReader.nextInt();
		for(int i = 1; i <= repetitions; i++) {
			output.print("Case #" + i + ": ");
			int start = fileReader.nextInt();
			int stop = fileReader.nextInt();
			
			if (start < 10 || stop < 10) {
				output.println("0");
			} else {
				int digits = 0;
				int foo = start;
				while (foo != 0) {
					foo = foo / 10;
					digits++;
				}
				
				int count = 0;

				for(int j = start; j <= stop; j++) {
					String number = j + "";
					for(int k = 1; k < digits; k++) {
						// number = 10, k = 2
						String stuff = number.substring(1) + number.charAt(0);
						if(!stuff.equals(number)) {
							number = stuff;
							//System.out.println(number);
							if(Integer.parseInt(number) <= stop && Integer.parseInt(number) >= start){
								//System.out.println("yes");
								count++;
							}
						}
					}
				}
				output.println(count / 2);
			}
		}
	}
}