import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

package recyclednumbers;

import java.util.ArrayList;

public class RecycledNumbersCase {

    private int min;
    private int max;

    public RecycledNumbersCase(String scoreLine) {

        String[] integers = scoreLine.split(" ");
        if(integers.length > 2 || integers.length < 2) {
            throw new IllegalArgumentException("Exactly two please");
        }

        min = new Integer(integers[0]);
        max = new Integer(integers[1]);
    }

    public int recycledPairCountFromMinToMax() {
        int pairCount = 0;

        for(int i = min; i <= max; i++) {
            pairCount += cycledDigitsInRangeAndGreaterThan(i);
        }
        return pairCount;
    }

    private int cycledDigitsInRangeAndGreaterThan(final int value) {
        int matches = 0;
        final String originalValue = String.valueOf(value);
        String cycledValue = cycleFromBackToFront(originalValue);
        while(!cycledValue.equals(originalValue)) {
            int cycledVal = Integer.valueOf(cycledValue);
            if(cycledVal > value && cycledVal <= max) {
                matches++;
            }
            cycledValue = cycleFromBackToFront(cycledValue);
        }

        return matches;
    }


    public int getMin() {
        return min;
    }

    public int getMax() {
        return max;
    }

    public static String cycleFromBackToFront(String numToCycle) {
        final int numLength = numToCycle.length();
        return numToCycle.substring(numLength - 1) + numToCycle.substring(0, numLength - 1);
    }
}
