import java.io.*;
import java.math.BigInteger;
import java.util.*;

import org.jfree.data.function.PowerFunction2D;

public class r2a
{

	Map numMap = new HashMap();
    int output = 0;

    /**
     * @param args
     */
    public static void main(String[] args)
    {
        r2a mk = new r2a();
        try {
            FileInputStream fstream = new FileInputStream("d:/cjinput.txt");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String str;
            int i = 0;
            while ((str = br.readLine()) != null) {
            	int begin=0,end = 0;
                i++;
                if (i == 1)
                    continue;
                mk.numMap = new HashMap();
                StringTokenizer strTok = new StringTokenizer(str, " ");
                while (strTok.hasMoreTokens()) {
                	begin =  Integer.parseInt(((String) strTok.nextToken()));
                    end = Integer.parseInt(((String) strTok.nextToken()));
                }

                mk.evaluate(i, begin, end);

            }
            in.close();
        }
        catch (Exception e) {
            System.err.println(e);
        }

    }

    private void evaluate(int rowNum, int begin, int end)
    {
    	output=0;
    	for (int i = begin; i<= end; i++) {
    		if(numMap.containsKey(Integer.valueOf(i)))
    			continue;
    		List l = getPairElems(i);
    		if (l.size() > 0) {
    			Iterator itr = l.iterator();
    			int ctr = 0;
    			ArrayList tempList = new ArrayList();
    			while (itr.hasNext()) {
    				int next = ((Integer)itr.next()).intValue();
    				if (next <= end && next > i) {
    					numMap.put(Integer.valueOf(next), i);
    					tempList.add(next);
    					ctr++;
    				}
    			}
    			ctr = getCounter(ctr+1,2);
/*    			if (tempList.size() > 0 || ctr > 0)
    				System.out.println("DD: " + i + ": " + tempList +" ; ctr = " + ctr);*/
    			output = output + ctr;
    		}
    		
    	}

        String outputStr = "Case #" + (rowNum -1) + ": " + output;
        
        System.out.println(outputStr);
    }

	private int getCounter(int n, int r) {
		int ret = 1;
		int nfactorial =1;
		for (int i = 2; i<=n; i++) {
			nfactorial = i*nfactorial;
		}
		int nrfact =1;
		for (int i = 2; i<=n-r; i++) {
			nrfact = i*nrfact;
		}
		
		return nfactorial/(2*nrfact);
	}

	private ArrayList getPairElems(int num) {
		ArrayList retList = new ArrayList();
		int temp = num;
		if (num/10 == 0)
			return retList;
		
		String str = String.valueOf(num);
		
		int arr[] = new int[str.length()];
		int x = str.length();
		while (temp/10 > 0) {
			arr[x-1] = temp%10;
			temp=temp/10;
			x--;
		}
		arr[0]=temp;
		
		int size = arr.length;
		for (int pos = size -1; pos >0; pos--) {
			if(arr[pos] == 0)
				continue;
			int pairNum = 0;
			int multiplier =1;
			for (int c=0; c < size-1; c++) {
				multiplier = multiplier*10;
			}
			pairNum = pairNum + (arr[pos]*multiplier);
			for(int ctr = pos+1, i=1; i < size; i++,ctr++) {
				if (ctr == size)
					ctr=0;
				if (multiplier!=1)
					multiplier=multiplier/10;
				pairNum = pairNum + (arr[ctr]*multiplier);
			}
			if (pairNum != num)
				retList.add(Integer.valueOf(pairNum));			
		}
		
		return retList;
	}
}

package fixjava;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map.Entry;

/**
 * Pair: typed 2-tuple
 */
public class Pair<L, R> {

	private final L left;
	private final R right;

	public R getRight() {
		return right;
	}

	public L getLeft() {
		return left;
	}

	public Pair(final L left, final R right) {
		this.left = left;
		this.right = right;
	}

	/** Convenience method so type params of pair don't have to be specified: just do Pair.make(l, r) */
	public static <L, R> Pair<L, R> make(L left, R right) {
		return new Pair<L, R>(left, right);
	}

	// ---------------------------------------------------------------------------------------------------

	private static final boolean objEquals(Object p1, Object p2) {
		if (p1 == null)
			return p2 == null;
		return p1.equals(p2);
	}

	@Override
	public final boolean equals(Object o) {
		if (!(o instanceof Pair<?, ?>)) {
			return false;
		} else {
			final Pair<?, ?> other = (Pair<?, ?>) o;
			return objEquals(getLeft(), other.getLeft()) && objEquals(getRight(), other.getRight());
		}
	}

	@Override
	public int hashCode() {
		int hl = getLeft() == null ? 0 : getLeft().hashCode();
		int hr = getRight() == null ? 0 : getRight().hashCode();
		return (hl + (127 * hr)) ^ (hr << 1);
	}

	// ---------------------------------------------------------------------------------------------------

	@Override
	public String toString() {
		return "(" + getLeft() + ", " + getRight() + ")";
	}

	// ---------------------------------------------------------------------------------------------------

	public static <K, V> ArrayList<K> getAllLefts(Iterable<Pair<K, V>> list) {
		ArrayList<K> result = new ArrayList<K>();
		for (Pair<K, V> pair : list)
			result.add(pair.getLeft());
		return result;
	}

	public static <K, V> ArrayList<V> getAllRights(Iterable<Pair<K, V>> list) {
		ArrayList<V> result = new ArrayList<V>();
		for (Pair<K, V> pair : list)
			result.add(pair.getRight());
		return result;
	}

	// ---------------------------------------------------------------------------------------------------

	public static <A extends Comparable<A>, B> Comparator<Pair<A, B>> comparatorOnLeft(Collection<Pair<A, B>> tupleCollection) {
		return new Comparator<Pair<A, B>>() {
			@Override
			public int compare(Pair<A, B> o1, Pair<A, B> o2) {
				return o1.getLeft().compareTo(o2.getLeft());
			}
		};
	}

	public static <A extends Comparable<A>, B> Comparator<Pair<A, B>> comparatorOnLeftRev(Collection<Pair<A, B>> tupleCollection) {
		return new Comparator<Pair<A, B>>() {
			@Override
			public int compare(Pair<A, B> o1, Pair<A, B> o2) {
				return -o1.getLeft().compareTo(o2.getLeft());
			}
		};
	}

	public static <A, B extends Comparable<B>> Comparator<Pair<A, B>> comparatorOnRight(Collection<Pair<A, B>> tupleCollection) {
		return new Comparator<Pair<A, B>>() {
			@Override
			public int compare(Pair<A, B> o1, Pair<A, B> o2) {
				return o1.getRight().compareTo(o2.getRight());
			}
		};
	}

	public static <A, B extends Comparable<B>> Comparator<Pair<A, B>> comparatorOnRightRev(Collection<Pair<A, B>> tupleCollection) {
		return new Comparator<Pair<A, B>>() {
			@Override
			public int compare(Pair<A, B> o1, Pair<A, B> o2) {
				return -o1.getRight().compareTo(o2.getRight());
			}
		};
	}

	static <A extends Comparable<A>, B> Comparator<Pair<A, B>> comparatorOnLeft(Collection<Pair<A, B>> tupleCollection,
			final boolean ascending) {
		return new Comparator<Pair<A, B>>() {
			final int weight = ascending ? 1 : -1;

			@Override
			public int compare(Pair<A, B> o1, Pair<A, B> o2) {
				return o1.getLeft().compareTo(o2.getLeft()) * weight;
			}
		};
	}

	static <A, B extends Comparable<B>> Comparator<Pair<A, B>> comparatorOnRight(Collection<Pair<A, B>> tupleCollection,
			final boolean ascending) {
		return new Comparator<Pair<A, B>>() {
			final int weight = ascending ? 1 : -1;

			@Override
			public int compare(Pair<A, B> o1, Pair<A, B> o2) {
				return o1.getRight().compareTo(o2.getRight()) * weight;
			}
		};
	}

	// ---------------------------------------------------------------------------------------------------

	/** Sort a List<Pair<K, V>> in-place into order of increasing or decreasing K */
	public static <K extends Comparable<K>, V> void sortPairsByLeft(List<Pair<K, V>> list, boolean ascending) {
		Collections.sort(list, comparatorOnLeft(list, ascending));
	}

	/** Sort a List<Pair<K, V>> in-place into order of increasing K */
	public static <K extends Comparable<K>, V> void sortPairsByLeft(List<Pair<K, V>> list) {
		Collections.sort(list, comparatorOnLeft(list, true));
	}

	/** Sort a List<Pair<K, V>> in-place into order of increasing or decreasing V */
	public static <K, V extends Comparable<V>> void sortPairsByRight(List<Pair<K, V>> list, boolean ascending) {
		Collections.sort(list, comparatorOnRight(list, ascending));
	}

	/** Sort a List<Pair<K, V>> in-place into order of increasing V */
	public static <K, V extends Comparable<V>> void sortPairsByRight(List<Pair<K, V>> list) {
		Collections.sort(list, comparatorOnRight(list));
	}

	/** Convert a <K, V> map into a list of Pair<K, V>, final order unspecified */
	public static <K, V> ArrayList<Pair<K, V>> mapToList(HashMap<K, V> map) {
		ArrayList<Pair<K, V>> list = new ArrayList<Pair<K, V>>();
		for (Entry<K, V> ent : map.entrySet())
			list.add(new Pair<K, V>(ent.getKey(), ent.getValue()));
		return list;
	}
}
