This is (basically) the same puzzle that appeared in the American Go E-Journal near the end of 2019. The picture links to the SGF — happy solving! (Thank you, Mr. Yang!)
— Mike M.
News
Beginning December 12, 2018, the Go Center is closed on Wednesdays (due to recent low turnout, expected to be exacerbated by the winter holidays). Regularly scheduled Wednesday operations will resume January 16, 2019, with interesting new classes — announcement coming soon.
–Mike M.