All ladders, for either color, work

1) The ladder works i. e. it captures the enclosed color at the center wall.
2) The net, the loose ladder and the stone edge squeeze seem to work also....

As others have pointed out, all ladders work.

Also, since my instinct is to not read ladders :p

Click Here To Show Diagram Code

[go]$$Wc Fun with ladders!
$$ ---------------------------------------
$$ | . . 4 . . . . . . . . . . . . . . . . |
$$ | . 3 X O . . . . . X . . . . . . . . . |
$$ | . X W X . . . . . O . . . . O O . . . |
$$ | . X W X . . . . . X . . . . . B O . . |
$$ | . X W X . . . . . O . . . . . O . . . |
$$ | . X 1 . . . . . . X . . . X . . . . . |
$$ | . X . 2 . . . . . O . . . O . . . . . |
$$ | . . . . . . . . . X . . . . . . . . . |
$$ | . . . . . . . . . O . . . . . . . . . |
$$ | . . . , . . . . . X . . . . . , . . . |
$$ | . . . . . . . . . O . . . . . . . . . |
$$ | . . . . . . . . . X . . . . . . . . . |
$$ | . . . . . . . . . O . . . . . . . . . |
$$ | . . . . . . . . . X . . . . . . . . . |
$$ | . . . . . . . . . O . . . . . . . . . |
$$ | . X . 6 . . . . . X . . . 9 . O O . . |
$$ | X W 5 . . . . . . O . . . . 8 B O . . |
$$ | X W W X . . . . . X . . . . O O . . . |
$$ | . X X . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

And now you all know the secret of the dual-colored wall...

It is not that no ladders work. It is that all ladders work!

Click Here To Show Diagram Code

[go]$$Wc Top Ladders
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . X . . . . . . . . . |
$$ | . X W X . . . . . O . . . . O O . . . |
$$ | . X W X . . . . . X . . . O B B O . . |
$$ | . X W X . . . . . O . . O B B O . . . |
$$ | . X W W X . . . . X . O B X O . . . . |
$$ | . X X W W X . . . O O B B O . . . . . |
$$ | . . . X W W X . O X B B O . . . . . . |
$$ | . . . . X W W X . O C O . . . . . . . |
$$ | . . . , . X W W X X . . . . . , . . . |
$$ | . . . . . . X W W O X . . . . . . . . |
$$ | . . . . . . . X C X . . . . . . . . . |
$$ | . . . . . . . . . O . . . . . . . . . |
$$ | . . . . . . . . . X . . . . . . . . . |
$$ | . . . . . . . . . O . . . . . . . . . |
$$ | . X . , . . . . . X . . . . . O O . . |
$$ | X W . . . . . . . O . . . . . B O . . |
$$ | X W W X . . . . . X . . . . O O . . . |
$$ | . X X . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Click Here To Show Diagram Code

[go]$$Wc Bottom Ladders
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . X . . . . . . . . . |
$$ | . X W X . . . . . O . . . . O O . . . |
$$ | . X W X . . . . . X . . . . . B O . . |
$$ | . X W X . . . . . O . . . . . O . . . |
$$ | . X . . . . . . . X . . . X . . . . . |
$$ | . X . . . . . . . O . . . O . . . . . |
$$ | . . . . . . . . . X . . . . . . . . . |
$$ | . . . . . . . . . O . . . . . . . . . |
$$ | . . . , . . . X C X . . . . . , . . . |
$$ | . . . . . . X W W O X . . . . . . . . |
$$ | . . . . . X W W X X C O . . . . . . . |
$$ | . . . . X W W X . O B B O . . . . . . |
$$ | . . . X W W X . . X O B B O . . . . . |
$$ | . . X W W X . . . O . O B B O . . . . |
$$ | . X W W X . . . . X . . O B B O O . . |
$$ | X W W X . . . . . O . . . O B B O . . |
$$ | X W W X . . . . . X . . . . O O . . . |
$$ | . X X . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Use this knowledge carefully in the 0.002% of games where it comes up.

@illuck: You just had to play the net card...