import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

import java.util.HashSet;

public class CSolver extends SolverModule {

	@Override
	String processLine(String line) {
		int[] lines = toIntegers(line.split(" "));
		int A = lines[0];
		int B = lines[1];
		HashSet<String> hashSet = new HashSet<String>();
		for (int i = A; i < B; i++) {
			int length = String.valueOf(A).length();
			for (int j = 1; j < length; j++) {
				int a = rightMove(i, length - j);
				int b = leftMove(i, j)
						- leftMove(rightMove(i, (length - j)), length);
				int total = a + b;
				if (total >= A && total <= B && total > i) {
					hashSet.add(i + "," + total);
				}
			}
		}
		return String.valueOf(hashSet.size());
	}

	private int leftMove(int number, int count) {
		number = number * (int) (Math.pow(10, count));
		return number;
	}

	private int rightMove(int number, int count) {
		if (count == 0) {
			return number;
		}
		number = (number / (int) (Math.pow(10, count)));
		return number;
	}
}
