//Jonathan Itschner

import java.io.FileReader;
import java.util.Scanner;

public class Sudoku{
  static int puzzle [][] = new int [6][6];

  public static void main(String [] args) throws Exception{
    Scanner console = new Scanner(new FileReader("Puzzle.txt"));
    int puzzle2[][] = new int [6][6];
    int box[][] = new int [2][3];

    for (int i = 0; i < 6; i++){
      for (int j = 0; j < 6; j++){
        puzzle [i][j] = console.nextInt();
      }
    }//end of for


    for (int i = 0; i < 6; i++){
      for (int j = 0; j < 6; j++){
        puzzle2 [i][j] = puzzle[i][j];
      }
    }//end of for

    for (int i = 0; i<2; i++){
      for (int j = 0; j<3; j++){
        box [i][j] = puzzle [i][j];
      }
    }


   solveBox(box);
   //printArray(box);

  }//end of main


  public static int[][] solveBox(int box [][]){

    int [] choices = {1,2,3,4,5,6};

    //Determine which numbers are available to pick
    for (int i = 0; i <2; i++){
      for (int j = 0; j<3; j++){
         for(int r = 0; r < 6; r++){
            if (box[i][j] = choices[r])
              choices[r] = -1;
          }
        }
      }

    for (int i = 0; i <2; i++){
      for (int j = 0; j<3; j++){
        if(box[i][j] == 0){

          for(int q = 0; q<6; q++){
            if(choices[q] != -1){
              box[i][j] = choices[q];
            }

          }
        }

      }
    }

    for (int i = 0; i <2; i++){
      for (int j = 0; j<3; j++){
        System.out.print(" " + box[i][j]);
        }
      System.out.println();
      }

   for(int q = 0; q < 6; q++)
      System.out.print(" " + choices[q]);

        return box;
  }//end of solveBox

  /*
  public static boolean solveRow(int i, int j){
    boolean q = false;
    int p = 0;

    //Check to see if point is valid
    if (i<0 || i>5)
      return false;
    if (puzzle[i][j] != 0)
      return false;
    if (puzzle[i][j] == 0)
      return true;

    do
    {
      p++;
      switch(p)
      { case 1: q = solveRow(i+1, j);
        break;
      }
      //was move successful
      if (q) return true;
      System.out.println ("on return and not successful, i = " + i + " j = " + j);
      //try another move while there are still moves to make
    }while (!q && p < 4);

    return false;
  }//end of solveRow

  */





    public static void printArray(int array[][]){
 for (int i = 0; i < 6; i++){
     System.out.println();
     for (int j = 0; j <6; j++){
  System.out.print(array[i][j] + " ");
     }
 }
 System.out.println();
    }//end of printArray


}//end of Sudoku