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 codejam2012;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import reusable.CodeJamBase;

public class RecycledNumbers {

	public static void main(String[] args) {
		new CodeJamBase("C-large") {

			private int rotate(int value, int rotations, int totalRotations) {
				int tens = (int) Math.pow(10, rotations);
				int left = (int) Math.pow(10, totalRotations - rotations);

				return left * (value % tens) + (value / tens);
			}

			@Override
			protected String solution() {
				int[] input = nextIntArray();

				int lowerBound = input[0];
				int upperBound = input[1];

				Map<Integer, List<Integer>> distinctPairs = new HashMap<>();

				int result = 0;

				for (int n = lowerBound; n <= upperBound; n++) {
					int totalRotations = String.valueOf(lowerBound).length();

					for (int rotations = 1; rotations < totalRotations; rotations++) {
						int m = rotate(n, rotations, totalRotations);
						if (String.valueOf(m).length() != totalRotations) {
							continue;
						}

						if (distinctPairs.get(n) == null) {
							distinctPairs.put(n, new ArrayList<Integer>());
						}
						if (distinctPairs.get(n).contains(m)) {
							continue;
						}

						if ((lowerBound <= n) && (n < m) && (m <= upperBound)) {
							distinctPairs.get(n).add(m);
							result++;
						}
					}
				}

				return String.valueOf(result);
			}

		}.run();
	}

}
