: ( 128a)
Black's diagonal move is an attempt to connect his partial groups in the corner.

:
But White separates Black's troops.

: (98 128e)
Black might consider playing at , instead.

:
We have reached a change in the order of moves with the previous subvariation.

:
This time, Black attacks White's corner-stones from the left.

:
Again, there is a ko fight that Black cannot win.

White will win the game by a large margin.