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;
	}
}
/**
 * Copyright 2012 Christopher Schmitz. All Rights Reserved.
 */

package com.isotopeent.codejam.lib.converters;

import com.isotopeent.codejam.lib.InputConverter;

public class DynamicMultiLineConverter implements InputConverter<Object[]> {

	private static final int MAX_PARAM_COUNT = 10;

	private IntArrayLine paramConverter;
	private InputConverter<?> converter;

	private Object[] input;
	private int lineNumber;

	public DynamicMultiLineConverter(InputConverter<?> lineConverter) {
		this(lineConverter, 0);
	}

	public DynamicMultiLineConverter(InputConverter<?> lineConverter, int paramCount) {
		this.converter = lineConverter;
		if (paramCount > 0) {
			paramConverter = new IntArrayLine(paramCount);
		} else {
			paramConverter = new IntArrayLine(new int[MAX_PARAM_COUNT]);
		}
	}

	@Override
	public boolean readLine(String data) {
		if (lineNumber == 0) {
			paramConverter.readLine(data);
			int[] params = paramConverter.generateObject();
			int count = getCount(params);
			input = new Object[count + 1];
			input[lineNumber++] = params;
		} else {
			if (!converter.readLine(data)) {
				input[lineNumber++] = converter.generateObject();
			}
		}

		if (lineNumber >= input.length){
			lineNumber = 0;
		}
		return lineNumber == 0;
	}

	@Override
	public Object[] generateObject() {
		return input;
	}

	/**
	 * default implementation, just uses first parameter value
	 */
	protected int getCount(int[] parameters) {
		return parameters[0];
	}

}
