import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

class RecycledNumbers{
	
	
	
	int getcount(int small,int large){
		int count = 0;
		for(int currnum = small; currnum < large; currnum++){
			int permut = currnum;
			int no_of_digits = 0;
			while(permut > 0){
				permut = permut/10;
				no_of_digits++;
			}
			int lastDigit = currnum % 10;
			permut = currnum / 10;
			permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
			while(permut != currnum){
				
				if(permut >= currnum && permut <= large){
					
					count++;
				}
				lastDigit = permut % 10;
				permut = permut / 10;
				permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
				
			}
			
		}
		
		return count;
	}
	
	public static void main(String args[]){
		RecycledNumbers d = new RecycledNumbers();
		
		int no_of_cases = 0;
		String input = "";
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		try{
			no_of_cases = Integer.parseInt(br.readLine());
		}
		catch(Exception e){
			System.out.println("First line is not a number");
		}
		
		for(int i=1; i <= no_of_cases;i++){
			try{
				input = br.readLine();
			}
			catch(Exception e){
				System.out.println("Number of test cases different from the number mentioned in first line");
			}
			
			System.out.print("Case #" +i+": ");
			
			StringTokenizer t =  new StringTokenizer(input);
			int small=0,large=0;
			if(t.hasMoreTokens()){
				small = Integer.parseInt(t.nextToken());
			}
			if(t.hasMoreTokens()){
				large = Integer.parseInt(t.nextToken());
			}
			System.out.println(d.getcount(small,large));
			
		}
		
		
		

	}
	
	
}
package problemC;

import java.io.IOException;
import java.util.HashSet;
import java.util.LinkedList;

import utils.InputReader;

public class SolverC {
	public static void main(String[] args) throws IOException {
		LinkedList<String> input = InputReader.read("C:/Users/Danielle/Desktop/C-small-attempt0.in");
		int num = Integer.parseInt(input.removeFirst());
		int i = 1;
		for (String string : input) {
			if (i > num) {
				System.err.println(i+">"+num);
				break;
			}
			HashSet<IntegerPair> map = new HashSet<IntegerPair>();
			String[] split = string.split(" ");
			int min = Integer.parseInt(split[0]);
			int max = Integer.parseInt(split[1]);
			for (int cur = min; cur < max; cur++){
				String str = ""+cur;
				for (int k = 1; k < str.length(); k++){
					int test = Integer.parseInt(str.substring(k)+str.substring(0, k));
					if (test != cur && test >= min && test <= max) {
						map.add(new IntegerPair(test, cur));
					}
				}
			}
			System.out.println("Case #"+(i++)+": "+map.size());
		}
	}
	
	private static class IntegerPair{
		private final int i1, i2, hash;
		
		public IntegerPair(int i1, int i2) {
			this.i1 = i1;
			this.i2 = i2;
			hash = i1+i2;
		}
		
		@Override
		public int hashCode() {
			return hash;
		}
		
		@Override
		public boolean equals(Object obj) {
			if (obj == this) return true;
			if (obj instanceof IntegerPair){
				IntegerPair other = (IntegerPair) obj;
				return (other.i1 == i1 && other.i2 == i2) || (other.i2 == i1 && other.i1 == i2);
			}
			return false;
		}
	}
}
