package it.simone.google.code.jam2012;

import java.util.HashSet;
import java.util.Set;

public class RecycledNumber implements GoogleCodeExercise {

	int a = 0;
	int b = 0;
	Set<Couple> distinctCouple = null;
	long maxTime = 0;

	private class Couple {
		int x = 0;
		int y = 0;

		public Couple(int x, int y) {
			this.x = x;
			this.y = y;
		}

		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getOuterType().hashCode();
			result = prime * result + x;
			result = prime * result + y;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			Couple other = (Couple) obj;
			if (!getOuterType().equals(other.getOuterType()))
				return false;
			if (x == other.x && y == other.y)
				return true;
			if (x == other.y && y == other.x)
				return true;
			return false;
		}

		private RecycledNumber getOuterType() {
			return RecycledNumber.this;
		}

	}

	@Override
	public String execute(String line) {
		int result = 0;

		String[] data = line.split(" ");
		a = Integer.parseInt(data[0]);
		b = Integer.parseInt(data[1]);
		initialize();

		int n = a;
		//
		while (n <= b) {
			result += analize(n);
			n++;
//			if (n % 1000 == 0)
//				System.out.println(n);
		}

		System.out.println(result);
		return "" + result;
	}

	@Override
	public void initialize() {
		distinctCouple = new HashSet<Couple>();
	}

	private int analize(int number) {
		String numString = "" + number;
		initialize();
		for (int i = 1; i < numString.length(); i++) {
			int m = shift(numString, i);
			if (a <= number && number < m && m <= b) {
				Couple couple=new Couple(number,m);
				if (!distinctCouple.contains(couple))
					distinctCouple.add(couple);
			}
		}
		return distinctCouple.size();
	}

	private int shift(String numString, int posx) {

		String result = null;
		result = "" + numString.substring(posx) + numString.substring(0, posx);

		return Integer.parseInt(result.toString());
	}

}

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;


public class jam {

	public static void main(String args[])
	{
		ArrayList<String> inp=read_fil("D:\\google_Jam\\C-large.in");
		//		ArrayList<String> inp=read_fil("D:\\google_Jam\\A-large-practice.in");
		int lin_num=0;
		int T=Integer.valueOf(inp.get(lin_num));
		lin_num++;

		for(int kk=0;kk<T;kk++){

			String lin=inp.get(lin_num);
			lin_num++;
			String[] lins=lin.split(" ");
			int A=Integer.valueOf(lins[0]);
			int B=Integer.valueOf(lins[1]);
			int y=0;
			for(int i=A;i<=B;i++){
				ArrayList<String> array=new ArrayList<String>();
				String the_i=String.valueOf(i);
				for(int j=0;j<the_i.length()-1;j++){
					String new_i=shift(the_i);
					String temp=new_i;
					
					int dds=Integer.valueOf(new_i);
					new_i=String.valueOf(dds);
					
					if(!new_i.equals(the_i) && new_i.length()==the_i.length()){
						int i_new=Integer.valueOf(new_i);
						if((i_new>=A) && (i_new<=B) && i_new>i && !array.contains(the_i+"-"+new_i)){
							y++;
							array.add(the_i+"-"+new_i);
						}
					}
					the_i=temp;
				}
			}



			writeFile("Case #"+(kk+1)+": "+y);


		}


	}

	public static String shift(String old){
		String las_char=old.substring(old.length()-1);	
		String new_txt=las_char+old.substring(0, old.length()-1);
		return new_txt;

	}

	public static ArrayList<String> read_fil(String file){  
		ArrayList<String> arr=new ArrayList<String>(); 
		try{

			FileInputStream fstream = new FileInputStream(file);

			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;

			while ((strLine = br.readLine()) != null)   {
				arr.add(strLine);
			}

			in.close();
		}catch (Exception e){
			System.err.println("Error: " + e.getMessage());
		}
		return arr;
	}

	public static void writeFile2(String ss) {
		String fileName = "D:\\google_Jam\\Output_test.txt";

		try {
			FileWriter writer = new FileWriter(fileName,true);
			writer.write(ss);
			writer.write('\n');
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	
	public static void writeFile(String ss) {
		String fileName = "D:\\google_Jam\\Output.txt";

		try {
			FileWriter writer = new FileWriter(fileName,true);
			writer.write(ss);
			writer.write('\n');
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}