comefrom: <awangdev>Number Of Corner Rectangles_2.java
code: private boolean validateRect(int[][] grid, int i, int j, int h, int k) {
  
          return grid[i][j] == 1 && grid[h][k] == 1 && grid[i][k] == 1 && grid[h][j] == 1;
      }
masked: private boolean var_0 ( int [ ] [ ] var_1 , int var_2 , int var_3 , int var_4 , int var_5 ) {
    return var_1 [ var_2 ] [ var_3 ] == 1 && var_1 [ var_4 ] [ var_5 ] == 1 && var_1 [ var_2 ] [ var_5 ] == 1 && var_1 [ var_4 ] [ var_3 ] == 1 ;
  }
  