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.FileReader;
import java.util.StringTokenizer;


public class REcycledNumbers {
	
	public static void main(String args[]) throws Exception {
		String line = "";
		BufferedReader br =	new BufferedReader(new FileReader("/Users/ravipalacherla/Documents/workspace/CodeJam/src/input.txt"));
		int T = Integer.parseInt(br.readLine());
		int j=0;
		while((line = br.readLine()) != null) {
			StringTokenizer st = new StringTokenizer(line," ");
			String strA = st.nextToken();
			String strB = st.nextToken();
			int intA = Integer.parseInt(strA);
			int intB = Integer.parseInt(strB);
			int count = 0;
			
			int intn = intA;
			while(intn < intB) {
				String strn = Integer.toString(intn);
				for(int i = strn.length()-1; i>0;i--) {
					String	strm = strn.substring(i)+strn.substring(0,i);
					if(strm.charAt(0) == '0') continue;
					int intm = Integer.parseInt(strm);
					if( ((""+intn).length() != (""+intm).length()) || ((""+intn).length() != (""+intA).length())) continue;
					if(intn == intm) continue;
					if ( ( intA <= intn) && (intn < intm) && (intm <= intB) ) {
					//	System.out.println("intN is " + intn + " intM is "+ intm);
						count ++;
					}
				}
				intn++;
			}
			j++;
			System.out.println("Case #"+ j +": "+count);
		}
	}
}
