public static void magicSquare(int N){

                        int[][] magic = new int[N][N];

                        int row=0;

                        int col = N/2;

                        for(int i=0;i<N;i++){

                                for(int j=0;j<N;j++){

                                        magic[i][j] = 0;

                                }

                        }

                                int val=0;

                        for(;;){

                                val++;

                        magic[row][col] = val;

                        if(val%N==0)

                                row++;

                        else{

                                row--;

                                col++;

                            }

                        if(row<0){

                                row = col-1;

                        }

                        if(col>=N)

                                col = 0;

                        if(val==N*N)

                                break;

                        }

                for(int i=0;i<N;i++){

                        for(int j=0;j<N;j++){

                                System.out.print(magic[i][j]);

                        }

                    System.out.println();

                   }

                 }

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