I learned that for 4-SAT, if clause to variable ratio is more than 10, the generated problems become difficult to solve, and the likelihood of formula to be SAT or UNSAT is close to 50%. So I generated 3 types of formulas:
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Following Samsung’s Unpacked event, the Samsung Galaxy S26 is available for pre-order, and it looks very familiar. That is not necessarily a bad thing. Like recent updates in the Galaxy S line, Samsung is refining its flagship rather than dramatically reinventing it.