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 static java.lang.Math.*;

public class C {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("C-small-attempt1.in"));
		FileWriter fw = new FileWriter("C-small.out");
		/*BufferedReader in = new BufferedReader(new FileReader("C-large.in"));
		FileWriter fw = new FileWriter("C-large.out");*/
                StringTokenizer stn = new StringTokenizer(in.readLine());
                int N = new Integer(stn.nextToken());
                
                for(int i=0;i<N;i++){
                    StringTokenizer st = new StringTokenizer(in.readLine());
                    int A = new Integer(st.nextToken());
                    int B = new Integer(st.nextToken());
                    int cant = 0;
                    for(int j=A;j<B;j++){
                        Vector<Integer> all = new Vector<Integer>();
                        String num = ""+j;
                        for(int x=num.length()-2;x>=0;x--){
                            String poss = num.substring(x+1,num.length())+num.substring(0,x+1);
                            int val = Integer.parseInt(poss);
                            if (val <= B && val > j) {
                            //if (val <= B && val >= A) {
                                /*Boolean found = true;
                                char first = poss.charAt(0);
                                for(int z=1;z<poss.length();z++){
                                    if(first!=poss.charAt(z)){
                                        found = false;
                                        break;
                                    }
                                }
                                if(!found){
                                    //System.out.print(" "+val+" ");
                                    cant++;
                                }*/
                                
                                Boolean found = false;
                                for(int z=0;z<all.size();z++){
                                    int valX = all.elementAt(z);
                                    if(valX == val){
                                       found = true;
                                       break;
                                    }
                                }
                                if(!found){
                                    //System.out.print(val+"\t");
                                    //all.add(new Integer(val));
                                    all.add(new Integer(val));
                                    cant++;
                                }
                                
                                
                                
                                //System.out.print(val+"\t");
                                //cant++;
                            }
                        }
                    }
                    //System.out.println("");
                    //System.out.println(""+(cant));
                    
                    fw.write("Case #" + (i+1) + ": " + cant + "\n");
                }
                

		fw.flush();
		fw.close();
	}

}


