Black first
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Positive solution
Black 1 dig Q17 after 3 punches, 5 pulls is the correct order, and the final formation of robbery is the best for this topic.
Change chart
If the black 1 digs after the white 2 is connected, the black 3 is broken to form a golden rooster independent and the same net kill white chess.
Failure plot
Black 1 was pulled by White 2 to survive, and Black failed.