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 RecycledNumbers;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashSet;

/**
 *
 * @author Nikhil
 */
public class c {

    public static void main(String[] args) throws FileNotFoundException, IOException {
        File fInput = new File(args[0]);
        String tmp;
        BufferedReader br = new BufferedReader(new FileReader(fInput));
        int iTestCases = Integer.parseInt(br.readLine());
        int A, B, iCase = 1;
        while (null != (tmp = br.readLine())) {
            A = Integer.parseInt(tmp.split(" ")[0]);
            B = Integer.parseInt(tmp.split(" ")[1]);
            System.out.println("Case #" + iCase + ": " + findRecycled(A, B));
            iCase++;
        }
        br.close();
    }

    private static int findRecycled(final int A, final int B) {
        int iRecycled = 0;
        int iRemainder, m, iTenPowMove;
        int iRemainderB;
        String sUnqNM;
        HashSet<String> hsRecycled = new HashSet<String>();
        final int B_LEN = String.valueOf(B).length() - 1;
        if (B < 10) {
            return 0;
        }
        //System.out.println("A=" + A + "\tB=" + B);
        //dblRemainderB = B / Math.pow(10d, (double) (String.valueOf(B).length() - 1));
        for (int iMoveDigitCount = 1; iMoveDigitCount <= B_LEN; iMoveDigitCount++) {
            // Increament 10^x to compute last digit from A
            iTenPowMove = (int) Math.pow(10d, (double) iMoveDigitCount);
            // Get the MSB digits from B to optimize algo
            iRemainderB = Integer.parseInt(String.valueOf(B).substring(0, iMoveDigitCount));
            for (int n = A; n <= B; n++) {
                iRemainder = n % iTenPowMove;
                if (0 == iRemainder || n < iTenPowMove) {
                    continue;
                } else if (iRemainder > iRemainderB) {
                    //iMoveDigitCount++;
                    n += iTenPowMove - iRemainder;
                    continue;
                } else {
                    String strM = null;
                    StringBuilder sb = new StringBuilder(String.valueOf(n));
                    int iPre = sb.length() - iMoveDigitCount;
                    try {
                     strM = sb.substring(iPre) + sb.substring(0, iPre);
                    } catch (StringIndexOutOfBoundsException ex) {
                        System.out.println("sb=" + iRemainder + "\niPre=" + iPre);
                        throw ex;
                    }
                    m = Integer.parseInt(strM);
                    if (m <= n) {
                        continue;
                    } else if (m <= B) {
                        sUnqNM = String.valueOf(n) + String.valueOf(m);
                        if (!hsRecycled.contains(sUnqNM)) {
                            hsRecycled.add(sUnqNM);
                            iRecycled++;
                       }
                    }
                }
            }
        }
        return iRecycled;
    }

}
