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package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;

public class Recycled_Numbers {
	public static void main(String[] args) {
		try {
			// Initialize
			InputStreamReader converter = new InputStreamReader(System.in);
			BufferedReader in = new BufferedReader(converter);
			String curLine = in.readLine();
			String[] numbers;
			int A;
			int B;
			
			// Find number of cases
			int N = Integer.parseInt(curLine);
			
			// Read line by line
			for (int line = 0; line < N; line++) {
				curLine = in.readLine();
				numbers = curLine.split(" ");
				A = Integer.parseInt(numbers[0]);
				B = Integer.parseInt(numbers[1]);
				int total = 0;
				HashMap<Integer, Integer> hm = new HashMap<Integer, Integer>();
				
				for (int number = A; number <= B; number++) {
					// parse the number as a string
					String s = Integer.toString(number);
					String[] digits = new String[s.length()];
					int numZeroes = 0;
					// the array of possible recycled numbers in string form
					for (int digit = 0; digit < digits.length; digit++) {
						digits[digit] = s.substring(digit) + s.substring(0, digit);
						if (digits[digit].charAt(0) == '0') numZeroes++;
					}
					// convert to integers
					int[] dint = new int[digits.length-numZeroes];
					int intdigits = 0;
					for (int digit = 0; digit < digits.length; digit++) {
						if (digits[digit].charAt(0) != '0') {
							dint[intdigits++] = Integer.parseInt(digits[digit]);
						}
					}
					// check if in hashtable
					if (!hm.containsKey(dint[0])) {	
						// put into a set only if between A and B
						Set<Integer> set = new HashSet<Integer>();
						for (int digit = 0; digit < dint.length; digit++) {
							hm.put(dint[digit], 0);
							if (dint[digit] >= A && dint[digit] <= B)
								set.add(dint[digit]);
						}
						// find the set size and add the appropriate number of pairs
						int numSet = set.size();
						total += numSet * (numSet-1) / 2;
					}
				}
				
				System.out.println("Case #" + (line+1) + ": " + total);
			}
		} catch(Exception e) {
			System.out.println("Error: " + e.getMessage());
		}
	}
}
