Life In 19x19

I just saw why.

I thought I was going insane.

And thanks for the quick reply.

$$W
$$ | . . . . . . . .
$$ | . X . . . . . .
$$ | . . X X X . .
$$ | X X O O O X . .
$$ | O O O 2 O X . .
$$ | X 1 O O X . X .
$$ | . X X O X . . .
$$ ----------------

I didn't realize that this left the space open ...

I was working through the problems on 321go.org and ran into this.

$$
$$ | . . . . . . . .
$$ | . X . . . . . .
$$ | . . X X X . .
$$ | X X O O O X . .
$$ | O O O . O X . .
$$ | X . O O X . X .
$$ | . X X O X . . .
$$ ----------------

It stated that this would be seki. But from what I can tell ...