E15: This puzzle has two X wing patterns and an XY wing. Solve along with me as we solve this hard level puzzle, the whole puzzle unravells once the XY wing is uncovered! This puzzle has lots of solving techniques including hidden singles, naked singles, pointing pairs, two x wing, and an xy wing. Lesson #12 covers the XY wing in more detail, please subscribe and stay tuned for upcoming lessons!

свернуть