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.*;

class QC{

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int kase = sc.nextInt();
		for(int k = 1; k<=kase; k++){
			int A = sc.nextInt();
			int B = sc.nextInt();
			int count = 0;
			for(int x= A; x<B; x++){
				int[] cyc = new int[Integer.toString(x).length()];
				int m = 10;
				for(int i = 0; i<cyc.length; i++){
					cyc[i] = Integer.parseInt((x%m)+""+x/m);
					m= m*10;
				}
				Arrays.sort(cyc);
				for(int i = 0; i<cyc.length; i++){
					if(cyc[i]>x && cyc[i] <=B && (i==0 || cyc[i]!=cyc[i-1])) count++;
				}
			}
			System.out.println("Case #"+k+": "+count);
		}
	}
}
