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 fixjava;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map.Entry;
import java.util.Set;

/**
 * Simple multimap class. <code>
  
  		MultiMap<String, String> map = MultiMapKeyToList.make();
		map.put("a", "x");
		map.put("a", "x");
		map.put("a", "y");
		map.put("b", "z");
		System.out.println(Join.joinRecursive(map.entrySet(), ", ", "[", "]"));
		
  </code>
 * 
 * @author luke
 */
public class MultiMapKeyToList<S, T> {

	HashMap<S, ArrayList<T>> map = new HashMap<S, ArrayList<T>>();

	public static <K, V> MultiMapKeyToList<K, V> make() {
		return new MultiMapKeyToList<K, V>();
	}

	public void put(S key, T value) {
		ArrayList<T> list = map.get(key);
		if (list == null) {
			list = new ArrayList<T>();
			map.put(key, list);
		}
		list.add(value);
	}

	public ArrayList<T> get(S key) {
		return map.get(key);
	}

	public boolean containsKey(S key) {
		return map.containsKey(key);
	}

	public int sizeKeys() {
		return map.size();
	}

	public HashSet<T> valuesUnion() {
		HashSet<T> result = new HashSet<>();
		for (Entry<S, ArrayList<T>> ent : map.entrySet())
			for (T val : ent.getValue())
				result.add(val);
		return result;
	}

	public Set<Entry<S, ArrayList<T>>> entrySet() {
		return map.entrySet();
	}

	public HashMap<S, ArrayList<T>> getRawMap() {
		return map;
	}

	public ArrayList<Pair<S, ArrayList<T>>> getRawMapAsList() {
		ArrayList<Pair<S, ArrayList<T>>> result = new ArrayList<Pair<S, ArrayList<T>>>();
		for (Entry<S, ArrayList<T>> ent : map.entrySet())
			result.add(Pair.make(ent.getKey(), ent.getValue()));
		return result;
	}

	public void putAll(S key, Iterable<T> values) {
		boolean putSomething = false;
		for (T val : values) {
			put(key, val);
			putSomething = true;
		}
		if (!putSomething && !map.containsKey(key))
			// If putting an empty collection, need to create an empty set at the key 
			map.put(key, new ArrayList<T>());
	}

	public void putAll(S key, T[] values) {
		if (values.length == 0 && !map.containsKey(key))
			// If putting an empty collection, need to create an empty set at the key 
			map.put(key, new ArrayList<T>());
		else
			for (T val : values)
				put(key, val);
	}

	/** Invert the mapping */
	public MultiMapKeyToList<T, S> invert() {
		MultiMapKeyToList<T, S> inv = new MultiMapKeyToList<T, S>();
		for (Entry<S, ArrayList<T>> ent : map.entrySet()) {
			S s = ent.getKey();
			for (T t : ent.getValue())
				inv.put(t, s);
		}
		return inv;
	}

	public ArrayList<Pair<S, ArrayList<T>>> toList() {
		ArrayList<Pair<S, ArrayList<T>>> result = new ArrayList<Pair<S, ArrayList<T>>>();
		for (Entry<S, ArrayList<T>> ent : map.entrySet())
			result.add(Pair.make(ent.getKey(), ent.getValue()));
		return result;
	}

	/** Write out to a TSV file */
	public void writeOutToFile(String tsvFile) throws IOException {
		PrintWriter writer = new PrintWriter(tsvFile);
		for (Entry<S, ArrayList<T>> ent : map.entrySet()) {
			S key = ent.getKey();
			StringBuilder buf = new StringBuilder();
			buf.append(key);
			for (T val : ent.getValue())
				buf.append("\t" + val);
			writer.println(buf.toString());
		}
		writer.close();
	}

	/** Read in a String->String map from a TSV file */
	public static MultiMapKeyToList<String, String> readFromFile(String tsvFile) throws IOException {
		MultiMapKeyToList<String, String> map = new MultiMapKeyToList<String, String>();
		for (String line : new FileLineIterator(tsvFile)) {
			String[] parts = Split.split(line, "\t");
			String key = parts[0];
			for (int i = 1; i < parts.length; i++)
				map.put(key, parts[i]);
		}
		return map;
	}

}
