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.*;
public class RecycledNums
{
    static Scanner cin = new Scanner(System.in);
    
    public static void main(String[] args)
    {
        String out = "";
        System.out.println("GO");
        int repeat = cin.nextInt();
        cin.nextLine();
        int ans=0;
        for(int i = 0; i < repeat; i++) {
            int in1 = cin.nextInt();
            int in2 = cin.nextInt();
            ans = findAns(in1, in2);
            out+="Case #" + (i+1) + ": " +ans+"\n";
        }
        System.out.println(out);
    }
    
    public static int findAns(int in1, int in2)
    {
        ArrayList<Integer> found = new ArrayList<Integer>();
        int ans = 0;
        for(int i = in1; i < in2; i++) {
            for(int j = i+1; j<=in2; j++) {
                int[] recycledNums = numsFor(i);
                for(int k = 0; k < recycledNums.length; k++) {
                    if((recycledNums[k]+"").length() == (j+"").length())
                        if(recycledNums[k] == j) {
                            /*boolean foundN = false;
                            for(int a = 0 ; a < found.size(); a++) {
                                if(j == found.get(a).intValue()) {
                                    foundN = true;
                                }
                            }
                            if(!foundN) {
                                ans++;
                                found.add(new Integer(j));
                            }*/
                            ans++;
                        }
                }
            }
        }
        return ans;
    }
    
    public static int[] numsFor(int in)
    {
        String num = in+"";
        int[] ans = new int[num.length()-1];
        for(int i = 1; i < num.length(); i++) {
            ans[i-1] = Integer.parseInt(num.substring(num.length()-i,num.length()) + num.substring(0,num.length()-i));
            for(int j = 0; j < i-1; j++) {
                if(ans[i-1] == ans[j])
                    ans[i-1] = 0;
            }
        }
        return ans;
    }
}
