Variations of Our Solution (II)
VAR
(C)
(B)

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White's group has five liberties left. Black's group has no outside liberties any more, but Black has three ko-threats on the right side ( If White plays at | |
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White's group has five liberties left. Black's group has no outside liberties any more, but Black has three ko-threats on the right side ( If White plays at | |