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

public class Recycle {

	private static HashMap<Integer, HashSet<Integer>> map = new HashMap<Integer, HashSet<Integer>>();
	private static HashSet<Integer> toSkip = new HashSet<Integer>();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int tc = 1; tc <= T; tc++) {
			int a = reader.nextInt();
			int b = reader.nextInt();
			long before = System.currentTimeMillis();
			int res = doit(a, b);
			System.out.printf("Case #%d: %d\n", tc, res);
			long after = System.currentTimeMillis();
//			System.out.println("time taken: " + (after - before));
		}
	}

	private static int doit(int a, int b) {
		int count = 0;
		HashSet<Integer> skip = new HashSet<Integer>(toSkip);
		for (int i = a; i <= b; i++) {
			if (skip.contains(i))
				continue;
			HashSet<Integer> arr = generate(i);
//			if(arr.size() > 1) {
//				map.put(i, arr);
//			}
			// System.out.println(i + " --> " +
			// Arrays.deepToString(arr.toArray()));
			int temp = 0;
			if (arr.size() > 1) {
				for (int x : arr) {
					if (x >= a && x <= b) {
						temp++;
						skip.add(x);
					}
				}
				count += temp * (temp - 1) / 2;
			}
//			System.out.println("not skipping " + i + " gen: " + arr.size()+ " " + (temp * (temp - 1) / 2));
		}
		return count;
	}

	private static HashSet<Integer> generate(int num) {
		if(map.containsKey(num)) {
			HashSet<Integer> list = map.get(num);
			return list;
		}
		HashSet<Integer> list = new HashSet<Integer>();
		String s = "" + num;
		list.add(num);
		int len = s.length();
		for (int i = 1; i < len; i++) {
			String temp = s.substring(i) + s.substring(0, i);
			// System.out.println("temp: " + temp);
			if (temp.charAt(0) == '0')
				continue;
			int x = Integer.parseInt(temp);
			if( x <= 2000000) {
				list.add(x);
			}
		}
		if(list.size() > 1) {
			map.put(num, list);
		} else {
			toSkip.add(num);
		}
		return list;
	}

}

package fixjava;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import java.util.Map.Entry;

public class HashMapDualKey<K1, K2, V> extends HashMap<K1, HashMap<K2, V>> {
	private static final long serialVersionUID = 1L;

	/** Returns whether the dual map contains the given key in the K1 space */
	@Override
	public boolean containsKey(Object key) {
		return this.containsKey(key);
	}

	public boolean containsKey(K1 key1, K2 key2) {
		HashMap<K2, V> map2 = this.get(key1);
		if (map2 == null)
			return false;
		else
			return map2.containsKey(key2);
	}

	/** Searches all (K1, K2) pairs to see if any of them map to the value. Runs in O(K1) time. */
	public boolean containsValueAll(Object value) {
		for (HashMap<K2, V> map2 : this.values())
			if (map2 != null && map2.containsValue(value))
				return true;
		return false;
	}

	public V get(K1 key1, K2 key2) {
		HashMap<K2, V> map2 = this.get(key1);
		if (map2 == null)
			return null;
		else
			return map2.get(key2);
	}

	public Set<K2> keySet(K1 key1) {
		HashMap<K2, V> map2 = this.get(key1);
		if (map2 == null)
			return null;
		else
			return map2.keySet();
	}

	public V put(K1 key1, K2 key2, V value) {
		HashMap<K2, V> map2 = this.get(key1);
		if (map2 == null)
			this.put(key1, map2 = new HashMap<K2, V>());
		return map2.put(key2, value);
	}

	public void putAll(ArrayList<Tuple3<? extends K1, ? extends K2, V>> items) {
		for (Tuple3<? extends K1, ? extends K2, V> item : items)
			put(item.getField0(), item.getField1(), item.getField2());
	}

	public void putAllListOfLists(ArrayList<Pair<? extends K1, ArrayList<Pair<? extends K2, V>>>> listOfLists) {
		for (Pair<? extends K1, ArrayList<Pair<? extends K2, V>>> pair1 : listOfLists) {
			K1 k1 = pair1.getLeft();
			for (Pair<? extends K2, V> pair2 : pair1.getRight())
				put(k1, pair2.getLeft(), pair2.getRight());
		}
	}

	@Override
	public HashMap<K2, V> remove(Object key1) {
		return this.remove(key1);
	}

	public V remove(K1 key1, K2 key2) {
		HashMap<K2, V> map2 = this.get(key1);
		if (map2 == null)
			return null;
		V ret = map2.remove(key2);
		if (map2.isEmpty())
			this.remove(key1);
		return ret;
	}

	/** Returns size across all (K1, K2) pairs. Runs in O(K1) time. */
	public int sizeAll() {
		int size = 0;
		for (HashMap<K2, V> map2 : this.values())
			if (map2 != null)
				size += map2.size();
		return size;
	}

	/** Returns union of values across all (K1, K2) pairs. Runs in O(N) time. */
	public HashSet<V> valuesAll() {
		HashSet<V> values = new HashSet<V>();
		for (HashMap<K2, V> map2 : this.values())
			if (map2 != null)
				values.addAll(map2.values());
		return values;
	}

	/** Returns the map as a list of Tuple3<K1, K2, V>. Runs in O(N) time. */
	public ArrayList<Tuple3<K1, K2, V>> getAsList() {
		ArrayList<Tuple3<K1, K2, V>> result = new ArrayList<Tuple3<K1,K2,V>>();
		for (Entry<K1, HashMap<K2, V>> ent1 : this.entrySet()) {
			K1 k1 = ent1.getKey();
			HashMap<K2, V> map2 = ent1.getValue();
			if (map2 != null) {
				for (Entry<K2, V> ent2 : map2.entrySet()) {
					K2 k2 = ent2.getKey();
					V v = ent2.getValue();
					result.add(Tuple3.make(k1, k2, v));
				}
			}
		}
		return result;
	}	

	/** Returns the map as a list of Pair<K1, ArrayList<Pair<K2, V>>>. Runs in O(N) time. */
	public ArrayList<Pair<K1, ArrayList<Pair<K2, V>>>> getAsListOfLists() {
		ArrayList<Pair<K1, ArrayList<Pair<K2, V>>>> result = new ArrayList<Pair<K1, ArrayList<Pair<K2, V>>>>(this.size());
		for (Entry<K1, HashMap<K2, V>> ent1 : this.entrySet()) {
			K1 k1 = ent1.getKey();
			HashMap<K2, V> map2 = ent1.getValue();
			if (map2 != null) {
				ArrayList<Pair<K2, V>> listOfK2VPairs = new ArrayList<Pair<K2,V>>(map2.size());
				for (Entry<K2, V> ent2 : map2.entrySet()) {
					K2 k2 = ent2.getKey();
					V v = ent2.getValue();
					listOfK2VPairs.add(Pair.make(k2, v));
				}
				result.add(Pair.make(k1, listOfK2VPairs));
			}
		}
		return result;
	}	
}
