import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class CopyOfCopyOfMain {

	static int ndigits(int n) {
		return (int) (Math.log10(n) + 1);
	}

	static int rot(int n, int dig) {
		return (int) ((n % 10) * Math.pow(10, dig - 1)) + (int) (n / 10);
	}

	public static void main(String[] args) throws FileNotFoundException {
		String file = "C-large";
		Scanner in = new Scanner(new File(file + ".in"));
		PrintWriter out = new PrintWriter(new File(file + ".out"));

		int T = in.nextInt();
		for (int t = 1; t <= T; t++) {
			int A = in.nextInt();
			int B = in.nextInt();

			int c = 0;
			int[] list = new int[ndigits(B)];
			numbers: for (int i = A; i <= B; i++) {
				int digs = ndigits(i);
				int rot = i;
				int pairs = 0;

				Arrays.fill(list, -1);
				list[0] = i;

				digits: for (int j = 1; j <= digs + 1; j++) {

					rot = rot(rot, digs);
					if(rot < i)
						continue;

					if (A <= rot && rot <= B) {
						for (int k = 0; k < j; k++) {
							if (list[k] == rot) {
								continue digits;
							}
						}
						pairs++;
						list[j] = rot;
					}
				}

				//c += pairs * (pairs + 1) / 2;
				c += pairs ;
				// c+=digs;
			}
			out.println("Case #" + t + ": " + c);
		}

		in.close();
		out.close();
	}
}

package code12.qualification;

import java.io.File;
import java.io.FileWriter;
import java.util.HashSet;
import java.util.Scanner;

public class C {
	public static String solve(int A, int B) {
		int output = 0;
		
		for (int i = A; i < B; i++) {
			output += findNumOfRecyclePair(i, A, B);
		}
		
		return "" + output;
	}
	
	public static int findNumOfRecyclePair(int x, int min, int max) {
		int output = 0;
		HashSet<Integer> numSet = new HashSet<Integer>();
		char[] charList = (x + "").toCharArray();
		int[] digitList = new int[charList.length];
		
		for (int i = 0; i < digitList.length; i++) {
			digitList[i] = Integer.parseInt(charList[i] + "");
		}
		
		int num = 0;
		for (int i = 0; i < digitList.length; i++) {
			num = 0;
			for (int j = 0; j < digitList.length; j++) {
				num = num * 10 + digitList[(i + j) % digitList.length];
			}
			
			Integer numInt = new Integer(num);
			if (num > x && num <= max && !numSet.contains(numInt)) {
				numSet.add(numInt);
				output++;
//				System.out.println("(" + x + ", " + num + ")");
			}
		}
		
		return output;
	}

	public static void main(String[] args) throws Exception {
		// file name
		//String fileName = "Sample";
		//String fileName = "C-small";
		String fileName = "C-large";
		
		// file variable
		File inputFile = new File(fileName + ".in");
		File outputFile = new File(fileName + ".out");
		Scanner scanner = new Scanner(inputFile);
		FileWriter writer = new FileWriter(outputFile);

		// problem variable
		int totalCase;
		int A, B;

		// get total case
		totalCase = scanner.nextInt();

		for (int caseIndex = 1; caseIndex <= totalCase; caseIndex++) {
			// get input
			A = scanner.nextInt();
			B = scanner.nextInt();

			String output = "Case #" + caseIndex + ": " + solve(A, B);
			System.out.println(output);
			writer.write(output + "\n");
		}
		scanner.close();
		writer.close();
	}
}
