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;
	}
}
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package problem.c;
import java.util.Scanner;
import java.io.*;

/**
 *
 * @author Jason
 */
public class ProblemC {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Scanner input = new Scanner(System.in);
        System.out.println("Enter name of input file: ");
        File inputFile = new File(input.next());
        File outputFile = new File("output.txt");
        Scanner file = null;
        PrintWriter output = null;
        while(file == null)
        {
            try{
                file = new Scanner(inputFile);
                output = new PrintWriter(outputFile);
            }
            catch(Exception E){
                System.out.println("invalid file");
            }
        }
        int cases = file.nextInt();
        file.nextLine();
        for (int i = 0; i < cases;)
        {
            int pairs = 0;
            int A = file.nextInt();
            int B = file.nextInt();
            for(;A < B;A++)
            {
                int[] newA = null;
                if (A>999999)
                    newA = new int[7];
                else if (A>99999)
                    newA = new int[6];
                else if (A>9999)
                    newA = new int[5];
                else if (A>999)
                    newA = new int[4];
                else if (A>99)
                    newA = new int[3];
                else if (A>9)
                    newA = new int[2];
                else
                    newA = new int[1];
                int tempA = A;
                for(int j = newA.length-1; j >= 0;j--)
                {
                    newA[j] = tempA % 10;
                    tempA = tempA / 10;
                }
                int[] savedFound = {0, 0, 0, 0, 0, 0};
                int foundIterator = 0;
                for(int j = 0; j < newA.length-1; j++)
                {
                    int temp = newA[newA.length-1];
                    for(int k = 0; k < newA.length; k++)
                    {
                        int temp2 = newA[k];
                        newA[k] = temp;
                        temp = temp2;
                    }
                    temp = 0;
                    for(int k =  newA.length-1, tens = 1; k >= 0;k--,tens*=10)
                    {
                        temp += newA[k]*tens;
                    }
                    if (temp > A && temp <= B && temp != savedFound[0] && temp
                            != savedFound[1] && temp != savedFound[2] && temp
                            != savedFound[3] && temp != savedFound[4] && temp
                            != savedFound[5] )
                    {
                        pairs++;
                        savedFound[foundIterator++] = temp;
                    }
                }
            }
            output.println("Case #" + ++i + ": " + pairs);
        }
        output.close();
    }
}