Unfortunately B7 also only kills half the group.
You can try it out here
Unfortunately B7 also only kills half the group.
You can try it out here
I got move 1 right but tried to play move 5 second.
Good puzzle
B1 D1 B3 B4 C2 ?
White extends at A2?
B4 B3 A2 A3 C1
Then D1 C2 → connect and die
Or C2 B1