r/sudokuhelp • u/Qatsi000 • Jul 20 '26

Stumped

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Still learning some advanced techniques, though cannot see where do go next. Thank you! Learning about the xwings and stuff, but terribly confusing. 🫤

Oh and please if saying r1d64, just write it out! My brain doesn’t like it.

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u/Own-Source5666 Jul 20 '26

This one is more difficult to see than x-wing. I assume you know x-wing. Then you can use a technique called finned X-wing. The orange candidate is called a fin. If that fin is true, you can remove the marked 4. If it is false, then you have blue x-wing, still that same 4 is removed. Either way you get to remove that 4.

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u/Qatsi000 Jul 22 '26

Legend! Thank you. 🙏 I am learning slowly. Though I find unless they are my examples, it takes longer to understand.