//PROGRAM 2-12
class DemoArray2D {
  public static void main(String[] args) {		
		
    int[][] duaD = new int[2][3];
		
    int k = 1;
    for(int i=0; i<2; i++) {
      for (int j=0; j<3; j++) {
        duaD[i][j] = k * 10;
        System.out.print(duaD[i][j]);
        if (j < 2) System.out.print(" ");
        k++;
      }
      System.out.println();
    }		
  }
}