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.*;

import java.lang.*;

class RotateNumber {   
	public static long RotateNumber(long number, long A, long B)
	{
		long start = number;
		long sum = 0;
		int numdigits = (int) Math.log10((double)number); // would return numdigits - 1
		int multiplier = (int) Math.pow(10.0, (double)numdigits);
		while(true)
		{
			long q = number / 10;
			long r = number % 10;
			number = number / 10;
			number = number + multiplier * r;
			if(number == start)
				break;
			if (start < A) break;
			if (start >= A && start < number && number <= B) {
				sum++;
			}
		}
		return sum;
	}
	public static void main(String[] args) throws IOException {

		FileInputStream fstream = new FileInputStream("/tmp/codejam/A-small-practice.in");
		//DataInputStream in = new DataInputStream(fstream);
		BufferedReader br = new BufferedReader(new InputStreamReader(fstream));
		PrintWriter out = new PrintWriter(new File("/home/peeyushk/tmp/output.ou"));
		String strLine;
		strLine = br.readLine().trim();
		int test = Integer.parseInt(strLine);
		for (int i=0;i<test;i++) {
			strLine = br.readLine().trim();
			long count = 0;
			String[] strings = strLine.split(" ");
			long A = Integer.parseInt(strings[0].trim());
			long B = Integer.parseInt(strings[1].trim());
			for (long num = A; num <= B; num++) {
				count = count + RotateNumber(num, A, B);
			}
			int k = i+1;
			out.println("Case #" + k + ": " + count);
		}
		out.flush();
		out.close();
		br.close();
	}
}