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.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.LinkedList;

class RecycledNumbers {

	public static void main(String[] args) throws Exception {
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		System.out.println("Input? ");
		String input = in.readLine();
		if(!input.equals("System.in")) {
			in = new BufferedReader(new FileReader(new File(input)));
		}
		
		PrintStream out;
		out = new PrintStream(new File("C.out"));
		//out = System.out;
		
		int cases = Integer.parseInt(in.readLine());
		
		for(int i = 1; i <= cases; i++) {
			String[] line = in.readLine().split(" ");
			
			int A = Integer.parseInt(line[0]);
			int B = Integer.parseInt(line[1]);
			
			int recycledPairs = 0;
			HashMap<Integer,LinkedList<Integer>> cache = new HashMap<Integer,LinkedList<Integer>>();
			for(int n = A; n < B; n++) {
				String nStr = Integer.toString(n);
				for(int wrap = 0; wrap < nStr.length(); wrap++) {
					String mStr = recycle(nStr, wrap);
					int m = Integer.parseInt(mStr);
					if(A <= n && n < m && m <= B) {
						//System.out.println(A + "<=" + nStr + "<" + mStr + "<=" + B);
						if(cache.get(n) == null) {
							cache.put(n, new LinkedList<Integer>());
							cache.get(n).add(m);
							recycledPairs++;
						}
						else if(!cache.get(n).contains(m)) {
							cache.get(n).add(m);
							recycledPairs++;
						}
					}
				}
			}
			
			out.print("Case #" + i + ": " + recycledPairs);
			if(i != cases) out.println();
		}
		
		if(out != System.out) out.close();
	}
	
	public static String recycle(String number, int offset) {
		offset = offset > number.length() - 1 || offset < 0 ? offset % number.length() : offset;
		if(offset == 0) return number;
		
		char[] oldNumber = number.toCharArray();
		char[] newNumber = new char[number.length()];
		
		System.arraycopy(oldNumber, offset, newNumber, 0, number.length() - offset);
		System.arraycopy(oldNumber, 0, newNumber, number.length() - offset, offset);
		
		return new String(newNumber);
	}
}