import java.util.HashSet;
import java.util.Scanner;

public class C {

	static HashSet p = new HashSet();
	static int low;
	static int high;
	int count = 0;

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int no = sc.nextInt();

		for (int i = 1; i <= no; i++) {

			p.clear();
			low = sc.nextInt();
			high = sc.nextInt();

			for (int l = low; l <= high; l++) {
				recycle(l);
			}
			System.out.println("Case #" + i + ": " + p.size());

		}
	}

	public static void recycle(int no) {

		String s = Integer.toString(no);
		for (int i = 0; i < s.length(); i++) {
			String rec = s.substring(i) + s.substring(0, i);
			int r = Integer.parseInt(rec);
			if (r != no && r >= low && r <= high) {
				int min = Math.min(r, no);
				int max = Math.max(r, no);
				String a = Integer.toString(min) + "" + Integer.toString(max);
				p.add(a);

			}
		}

	}
}

package twentytwelve.qualification.c;

import java.util.Scanner;

public final class RecycledNumbers {

    /**
     * @param args
     */
    public static void main(String[] args) {
	Scanner sc = new Scanner(System.in);
	int cases = sc.nextInt();
	for (int no = 1; no <= cases; no++) {
	    System.out.print("Case #" + no + ": ");
	    int A = sc.nextInt();
	    int B = sc.nextInt();

	    int pairs = 0;

	    int Adigits = 1;
	    int setSize = 0;
	    while (A >= 10 * Adigits) {
		Adigits *= 10;
		setSize++;
	    }
	    int[] currentSet = new int[setSize];

	    for (int current = A; current <= B; current++) {
		int bdigits = 10;
		int udigits = Adigits;
		for (int i = 0; udigits > 1; bdigits *= 10, udigits /= 10) {
		    int recycled = current / bdigits + (current % bdigits) * udigits;
		    if (recycled > current && recycled <= B) {
			boolean found = false;
			for (int j = 0; j < i; j++) {
			    if (currentSet[j] == recycled) {
				found = true;
			    }
			}
			if (!found) {
			    // System.out.println(current + " -> " + recycled);
			    currentSet[i++] = recycled;
			    pairs++;
			}
		    }
		}
	    }
	    System.out.println(pairs);
	}
    }
}
