/*
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 * and open the template in the editor.
 */
package gcj;

import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author daniele
 */
public class GCJ_C {
    
    public static void main(String[] args) throws Exception{
        
        
        
        Scanner in = new Scanner(new File(args[0]));
        FileWriter out = new FileWriter("/home/daniele/Scrivania/Output");
        

        int prove=in.nextInt();
        int min,max;
        int cifre;
        int cifreaus;
        String temp;
        int aus;
        int count=0;
        ArrayList<Integer> vals = new ArrayList<Integer>();
        int jcount=0;
        ArrayList<Integer> perm = new ArrayList<Integer>();
        
        out.write("");
        out.flush();
        
        for(int i=1;i<=prove;i++){
            
            out.append("Case #" +i+": ");out.flush();
            
            min=in.nextInt();
            max=in.nextInt();
            
            for(int j=min;j<=max;j++){
               if(!vals.contains(j)){
                    temp=""+j;
                    cifre=temp.length();
                    aus=j;
                    perm.add(j);
                    for(int k=1;k<cifre;k++){
                        aus=rotateOnce(aus);
                        temp=""+aus;
                        cifreaus=temp.length();//elusione zeri iniziali
                        if(aus>=min && aus<=max && aus!=j && cifreaus==cifre && nobody(vals,perm)){ 
                            perm.add(aus);
                            jcount ++;
                            
                        }
                        
                    }
                    while(jcount>0){count+=jcount; jcount--;}
                    vals.addAll(perm);
                    perm= new ArrayList<Integer>();
                    
                }
            }
            out.append(count+"\n");out.flush();
            count=0;
            vals= new ArrayList<Integer>();
        }
        
        
        
    }
        static public int rotateOnce(int n){
            String s=""+n;
            if(s.length()>1){
                s=s.charAt(s.length()-1) + s.substring(0,s.length()-1);
                n=Integer.parseInt(s);
            }
            return n;
        }    
        
        static public boolean nobody(ArrayList<Integer> v,ArrayList<Integer> a){;
            for(int i=0;i<a.size();i++)
                if(v.contains(a.get(i))) return false;
            return true;
        } 
    
}


package codejam;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.FilenameFilter;
import java.math.BigInteger;
import java.util.HashSet;
import java.util.Set;

public class Codejam {

	private static File[] getInputFiles(String filePath) {
		File dir = new File(filePath);
		// filter .in files
		FilenameFilter onlyInFiles = new FilenameFilter() {
			public boolean accept(File file, String name) {
				return name.endsWith(".in") || file.isFile();
			}
		};
		File[] inputFiles = dir.listFiles(onlyInFiles);
		return inputFiles;
	}

	private static BigInteger binomial(final int N, final int K) {
		BigInteger ret = BigInteger.ONE;
		for (int k = 0; k < K; k++) {
			ret = ret.multiply(BigInteger.valueOf(N - k)).divide(
					BigInteger.valueOf(k + 1));
		}
		return ret;
	}

	private static Set<String> getCombinations(String numberStr, int min,
			int max) {
		// System.out.println("numberStr " + numberStr);
		Set<String> allStrings = new HashSet<String>();
		char[] numberStrChars = numberStr.toCharArray();
		String currentNumber;
		int StrLength = numberStrChars.length;
		// System.out.println("StrLength " + StrLength);
		for (int i = 0; i < StrLength - 1; i++) {
			char firstChar = numberStrChars[0];
			for (int j = 1; j < StrLength; j++)
				numberStrChars[j - 1] = numberStrChars[j];
			numberStrChars[StrLength - 1] = firstChar;
			currentNumber = new String(numberStrChars);
			// System.out.println("currentNumber " + currentNumber);
			if (!currentNumber.equals(numberStr)
					&& Integer.parseInt(currentNumber) >= min
					&& Integer.parseInt(currentNumber) <= max)
				allStrings.add(currentNumber);
		}
		return allStrings;
	}

	private static BigInteger getRecycledPairs(int min, int max) {
		//System.out.println("getRecycledPairs start");
		BigInteger recycledPairs = BigInteger.ZERO;
		Set<String> recycledPairStrings = new HashSet<String>();
		for (int i = min; i <= max; i++) {
			String currentNumber = Integer.toString(i);
			if (!recycledPairStrings.contains(currentNumber)) {
				Set<String> currentCombinations = getCombinations(
						currentNumber, min, max);
				if (currentCombinations.size() > 0) {
					recycledPairStrings.addAll(currentCombinations);
					recycledPairs = recycledPairs.add(binomial(
							currentCombinations.size() + 1, 2));
				}
			}
		}
		//System.out.println("getRecycledPairs end " + recycledPairs);
		return recycledPairs;
	}

	private static void processFile(File fileName) {
		System.out.println("Processing file " + fileName);
		try {
			// get reader for current file
			BufferedReader br = new BufferedReader(new FileReader(fileName));
			// create writer using current file + .out
			BufferedWriter bw = new BufferedWriter(new FileWriter(
					fileName.getAbsolutePath() + ".out"));
			// get test cases
			int testCases = Integer.parseInt(br.readLine());
			// process all test cases
			for (int currTestCase = 1; currTestCase <= testCases; currTestCase++) {
				String[] ab = br.readLine().split(" ");
				int A = Integer.parseInt(ab[0]), B = Integer.parseInt(ab[1]);
				BigInteger result = getRecycledPairs(A, B);
				String currTestCaseResult = "Case #" + currTestCase + ": "
						+ result;
				System.out.println(currTestCaseResult);
				bw.write(currTestCaseResult);
				bw.newLine();
			}
			// close the reader and writer
			br.close();
			bw.flush();
			bw.close();
		} catch (Exception e) {// catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		System.out.println("start");
		// get files to process
		File[] inputFiles = getInputFiles("data");
		if (inputFiles != null) {
			for (File inputFile : inputFiles)
				processFile(inputFile);
		}
	}

}
