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Beginner Exercise 120
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    Keywords: Life & Death, Problem

[Diagram]
Status?

This problem is a slight modification from Kanazawa Problem 22.

Explain the status of this group.

Solution



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This is a copy of the living page "Beginner Exercise 120" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.