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package year_2012.qualification;

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

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


public class Recycled {

	private static final String fileInName = "file.in";
	private static final String fileOutname = "file.out";
	
	public static void main(String[] args) throws IOException{

		System.out.println("Init");
		
		FileWriter fw = new FileWriter(fileOutname);
		BufferedReader br = new BufferedReader(new FileReader(fileInName));
		
		int numCases = Integer.parseInt(br.readLine());
		System.out.println("Num cases: " + numCases);
		
		for(int numCase = 1; numCase <= numCases; numCase++){
			
			String[] caseData = br.readLine().split(" ");
			
			int numA = Integer.parseInt(caseData[0]);
			int numB = Integer.parseInt(caseData[1]);
			
			Map<String, List<String>> prevCalcs = new HashMap<String, List<String>>();
			
			System.out.println("\tA: " + numA +"  B: " + numB);
			
			int numRec = 0;	//Result
			
			for(int i = numA; i < numB; i++){
				
				String nS = String.valueOf(i);
				
				String mS = null;
				
				for( int j = 1; j < nS.length(); j++){
					
					mS = generateRecycled(nS, j);
					
					if(isValid(nS, mS, numB, prevCalcs)){
						numRec++;
						System.out.println("\t\tRecycled: (" + nS +", " +mS +")");
						addToPrevCalcs(nS, mS, prevCalcs);
					}
					
				}
				
			}
			
			System.out.println("\tRes: " + numRec);
			
			fw.write("Case #" + numCase +": " + numRec +"\n");
			
		}
		
		fw.close();
		br.close();
		
	}
	
	private static String generateRecycled(String n, int numToMove){
		
		return n.substring(n.length() - numToMove, n.length()) + n.substring(0, n.length() - numToMove);
		
	}
	
	private static boolean isValid(String nS, String mS, int numB, Map<String, List<String>> map){
		return !mS.startsWith("0") && Integer.parseInt(nS) < Integer.parseInt(mS) 
				&& numB >= Integer.parseInt(mS) && (!map.containsKey(nS) || !map.get(nS).contains(mS));
	}
	
	private static void addToPrevCalcs(String nS, String mS, Map<String, List<String>> map){

		if(!map.containsKey(nS)){
			map.put(nS, new ArrayList<String>());
		}
		
		map.get(nS).add(mS);
		
	}
	
}
