import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

package reusable;

import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;

public abstract class CodeJamBase {
	private final List<String> inputLines;
	private final String filename;
	private int testCases;
	private int index = 0;

	public CodeJamBase(String filename) {
		this.filename = (filename != "") ? filename : "sample";

		try {
			inputLines = Files.readAllLines(Paths.get("data/" + this.filename + ".in"), Charset.defaultCharset());
		} catch (IOException e) {
			throw new RuntimeException("Failed to read file: '" + this.filename + "'");
		}

		setup();
	}

	protected void setup() {
		setTestCases(nextInt());
	}

	protected abstract String solution();

	public void run() {
		long startTime = System.currentTimeMillis();

		List<String> outputLines = new ArrayList<>();

		for (int i = 0; i < testCases; i++) {
			String outputLine = "Case #" + (i + 1) + ": " + solution();
			outputLines.add(outputLine);
			System.out.println(outputLine);
		}

		try {
			Files.write(Paths.get("data/" + filename + ".out"), outputLines, Charset.defaultCharset());
		} catch (IOException e) {
			throw new RuntimeException("Failed to write file: '" + filename + "'");
		}

		System.out.println();
		System.err.println("Total run time: " + ((System.currentTimeMillis() - startTime) / 1000d) + "s");
	}

	protected final String nextString() {
		return inputLines.get(index++);
	}

	protected final int nextInt() {
		return Integer.parseInt(nextString());
	}

	protected final String[] nextStringArray() {
		return inputLines.get(index++).split(" ");
	}

	protected final int[] nextIntArray() {
		String[] items = nextStringArray();

		int[] result = new int[items.length];

		for (int i = 0; i < items.length; i++) {
			result[i] = Integer.parseInt(items[i]);
		}

		return result;
	}

	public final void setTestCases(int testCases) {
		this.testCases = testCases;
	}
}
