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

/**
 *
 * @author eblanco
 */
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import javax.swing.JFileChooser;

public class RecycledNumbers {

    public static String DatosArchivo[] = new String[10000];

    public static int[] convertStringArraytoIntArray(String[] sarray) throws Exception {
        if (sarray != null) {
            int intarray[] = new int[sarray.length];
            for (int i = 0; i < sarray.length; i++) {
                intarray[i] = Integer.parseInt(sarray[i]);
            }
            return intarray;
        }
        return null;
    }

    public static boolean CargarArchivo(String arch) throws FileNotFoundException, IOException {
        FileInputStream arch1;
        DataInputStream arch2;
        String linea;
        int i = 0;

        if (arch == null) {
            //frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            JFileChooser fc = new JFileChooser(System.getProperty("user.dir"));
            int rc = fc.showDialog(null, "Select a File");
            if (rc == JFileChooser.APPROVE_OPTION) {
                arch = fc.getSelectedFile().getAbsolutePath();
            } else {
                System.out.println("No hay nombre de archivo..Yo!");
                return false;
            }
        }
        arch1 = new FileInputStream(arch);
        arch2 = new DataInputStream(arch1);
        do {
            linea = arch2.readLine();
            DatosArchivo[i++] = linea;
            /* if (linea != null) {
            System.out.println(linea);
            }*/
        } while (linea != null);
        arch1.close();
        return true;
    }

    public static boolean GuardaArchivo(String arch, String[] Datos) throws FileNotFoundException, IOException {
        FileOutputStream out1;
        DataOutputStream out2;
        int i;
        out1 = new FileOutputStream(arch);
        out2 = new DataOutputStream(out1);

        for (i = 0; i < Datos.length; i++) {
            if (Datos[i] != null) {
                out2.writeBytes(Datos[i] + "\n");
            }
        }
        out2.close();
        return true;
    }

    public static void echo(Object msg) {
        System.out.println(msg);
    }

    public static void main(String[] args) throws IOException, Exception {
        String[] res = new String[10000], num = new String[2];
        int i, j, k, ilong;
        int ele = 1;
       ArrayList al = new ArrayList();
        String FName = "C-small-attempt0",  istr, irev, linea;
        if (CargarArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".in")) {
            for (j = 1; j <= Integer.parseInt(DatosArchivo[0]); j++) {
                linea = DatosArchivo[ele++];
                num = linea.split(" ");
                   al.clear();
                // echo("A: "+num[0]+" B: "+num[1]);
                for (i = Integer.parseInt(num[0]); i <= Integer.parseInt(num[1]); i++) {
                    istr = Integer.toString(i);
                    ilong = istr.length();
                 
                    for (k = 1; k < ilong; k++) {
                        if (ilong > k) {
                            irev = istr.substring(istr.length() - k, istr.length()) + istr.substring(0, istr.length() - k);
                            //echo("caso: " + j + ": isrt: " + istr + " irev: " + irev);
                            if ((Integer.parseInt(irev) > Integer.parseInt(num[0])) && (Integer.parseInt(irev) > Integer.parseInt(istr)) && (Integer.parseInt(irev) <= Integer.parseInt(num[1]))) {
                                al.add("(" + istr + "," + irev + ")");
                            }
                        }
                    }
                }
                HashSet hs = new HashSet();
                hs.addAll(al);
                al.clear();
                al.addAll(hs);
                res[j] = "Case #" + j + ": " + al.size();
                echo(res[j]);
                LeerArchivo.GuardaArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".out", res);
            }
        }
    }
}

package code.jam;

import java.io.*;
import java.util.*;

public class CodeJam {
    
    public static void main(String[] args) throws FileNotFoundException, IOException {
        
        String name = "test";
        
        Scanner in = new Scanner( new BufferedReader( new FileReader(name + ".in") ) );
        BufferedWriter out = new BufferedWriter( new FileWriter(name + ".out") );
        
        int req_count;
        int seed , count  = 0, factor , temp;
        int c2;
        int i , j , k = 1;
        int[] parts = null;
        boolean[] arr = null;
        
        int N = in.nextInt();
        
        while(in.hasNext())
        {
            int start = in.nextInt();
            int end = in.nextInt();
            req_count = 0;
            
            arr = new boolean[end+1];
            
            filterArray(arr);
            
            for(i=start ; i<end ; i++)
            {
                if(!arr[i])
                {
                    seed = i;
                    count = digitsCount(seed);
                    
                    if(count > 2)
                    {
                        parts = new int[count-1];
                        factor = 10;

                        for(j=(count-2) ; j >= 0 ; j--)
                        {
                            parts[j] = seed/factor;
                            factor = factor*10;
                        }
                        
                        for(j=1 ; j<=parts.length ; j++)
                        {
                            factor = (int)Math.pow(10,count-j);
                            temp = seed%factor;
                            temp = temp*((int)Math.pow(10,j))+parts[j-1];
                            
                            c2 = digitsCount(temp);
                            
                            if(count == c2)
                            {
                                if( (temp >= start) && (temp <= end) )
                                {
                                    if(!arr[seed])
                                        arr[seed] = true;
                                    
                                    if(!arr[temp])
                                        req_count++;
                                }
                            }
                        }
                    }
                    else if(count == 2)
                    {
                        temp = seed%10;
                        temp = (temp*10)+(seed/10);
                        
                        if( (temp >= start) && (temp <= end) )
                        {
                            req_count++;
                            arr[temp] = true;
                            arr[seed] = true;
                        }
                    }
                }
            }
            
            out.write("Case #" + k + ": " + req_count);
            out.newLine();
            k++;
        }
        
        out.close();
    }
    
    //----------------------------------------------------------------------
    
    public static int digitsCount(int num)
    {
        int count = 0;
        
        while(num > 0)
        {
            count++;
            num = num/10;
        }
        
        return count;
    }
    
    //----------------------------------------------------------------------
    
    public static void filterArray(boolean[] arr)
    {
        int length = arr.length;
        
        int i;
        int temp = 0;
        
        
        if( (length >= 10) && (length < 100) )
        {
            temp = 11;
            for(i=2 ; i<=10 && temp <= length ; i++)
            {
                arr[temp] = true;
                temp = i*11;
            }
        }
        
        if( (length >= 100) && (length < 1000) )
        {
            temp = 111;
            for(i=2 ; i<=10 && temp <= length ; i++)
            {
                arr[temp] = true;
                temp = i*111;
            }
        }
        
        if( (length >= 1000) && (length < 10000) )
        {
            temp = 1111;
            for(i=2 ; i<=10 && temp <= length ; i++)
            {
                arr[temp] = true;
                temp = i*1111;
            }
        }
        
        if( (length >= 10000) && (length < 100000) )
        {
            temp = 11111;
            for(i=2 ; i<=10 && temp <= length; i++)
            {
                arr[temp] = true;
                temp = i*11111;
            }
        }
        
        if( (length >= 100000) && (length < 1000000) )
        {
            temp = 111111;
            for(i=2 ; i<=10 && temp <= length ; i++)
            {
                arr[temp] = true;
                temp = i*111111;
            }
        }
        
        if( (length >= 1000000) && (length <= 2000000) )
            arr[1111111] = true;
    }
}
