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.io.BufferedReader;
import java.io.InputStreamReader;

class RN {
    private static BufferedReader br = null;
    private static int numCases;
    private static int lowerBound, upperBound;
    private static String[] input;

    public static void main(String[] args) throws Exception {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
            numCases = Integer.parseInt(br.readLine().trim());

            for(int i = 0; i < numCases; i++) {
                int numRecycled = 0;
                input = br.readLine().split(" ");
                lowerBound = Integer.parseInt(input[0]);
                upperBound = Integer.parseInt(input[1]);

                for(int j = lowerBound; j < upperBound; j++) {
                    String s = j + "";
                    for(int k = 0; k < s.length()-1; k++) {
                        String temp = s.substring(s.length()-1-k) + s.substring(0, s.length()-k-1);
                        //System.out.println("From " + s + " to " + temp + " with k = " + k);
                        int num = Integer.parseInt(temp);
                        if(num == j) continue;
                        //if(num >= lowerBound && num <= upperBound && !used[num]) {
                        if(num >= lowerBound && num <= upperBound && num > j) {
                            //System.out.println("From " + s + " to " + temp + " with k = " + k);
                            //System.out.println("\t" + j + "\t" + num);
                            numRecycled++;
                            //used[num] = true;
                            //used[j] = true;
                        }
                    }
                }

                System.out.println("Case #" + (i+1) + ": " + numRecycled);
            }
        }
        catch(Exception e) {
            e.getMessage();
            e.printStackTrace();
        }
    }
}
