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 hu.herba.codejam.cj2012.qualification;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;

import hu.herba.codejam.AbstractCodeJamBase;

/**
 * Recycled Numbers
 * 
 * @author csorbazoli
 */
public class ProblemC extends AbstractCodeJamBase {

    public static void main(String[] args) {
	new ProblemC(args);
    }

    int T; // number of test case

    public ProblemC(String[] args) {
	super(args, AbstractCodeJamBase.READER_TYPE);
    }

    private boolean contains(String[] pairs, int found, String num) {
	boolean ret = false;
	for (int i = 0; i < found; i++) {
	    if (num.equals(pairs[i])) {
		// * TEST */System.out.println("  Pair already found before: " +
		// num);
		ret = true;
		break;
	    }
	}
	return ret;
    }

    private int countRecycled(int A, int B) {
	int result = 0, len;
	String strA = Integer.toString(A);
	String strB = Integer.toString(B);
	String orig, numbers, num;
	len = Integer.toString(A).length();
	String[] pairs = new String[len];
	int found;
	if (len > 1) {
	    for (int i = A; i <= B; i++) {
		orig = Integer.toString(i);
		numbers = orig + orig;
		found = 0;
		for (int j = 1; j <= len; j++) {
		    num = numbers.substring(j, j + len);
		    // each pair was counted twice
		    // if (!num.equals(orig) && (num.compareTo(strA) >= 0)
		    // &&
		    // (num.compareTo(strB) <= 0)) {
		    if ((num.compareTo(orig) > 0) && (num.compareTo(strA) >= 0) && (num.compareTo(strB) <= 0) && !this.contains(pairs, found, num)) {
			// *TEST*/ System.out.println("  " + orig +
			// " recycled with " +
			// num);
			pairs[found++] = num;
			result++;
		    }
		}
	    }
	}
	// *TEST*/System.out.println(" result: " + result);
	return result;
    }

    /*
     * (non-Javadoc)
     * 
     * @see hu.herba.codejam.AbstractCodeJamBase#process(java.io.BufferedReader,
     * java.io.PrintWriter)
     */
    @Override
    protected void process(BufferedReader reader, PrintWriter pw) throws IOException, IllegalArgumentException {
	// The first line of the input gives the number of test cases, T. T test
	// cases follow, one per line.
	// Each test case consists of a single line containing the integers A
	// and B.
	this.T = this.readInt(reader, "Number of cases");
	int[] items;
	for (int i = 1; i <= this.T; i++) {
	    items = this.readIntArray(reader, "testCase");
	    if (items.length == 2) {
		if (Integer.toString(items[0]).length() != Integer.toString(items[1]).length()) {
		    System.out.println("Test case " + i + " INVALID: A and B has different length - " + Arrays.toString(items));
		}
		// * TEST */System.out.println("Case #" + i + ": input = " +
		// Arrays.toString(items));
		// For each test case, output one line containing "Case #x: y",
		// where x is the case number (starting from 1), and y is the
		// number of recycled pairs (n, m) with A â¤ n < m â¤ B.
		pw.println("Case #" + i + ": " + this.countRecycled(items[0], items[1]));
	    } else {
		System.out.println("Test case " + i + " INVALID: test case should contain 2 integers A, B with same length" + Arrays.toString(items));
	    }
	}
    }
}
