Solve a HARD Level Sudoku the EASY way! X wing, W wing, XY wing, and even a BUG +1

Описание к видео Solve a HARD Level Sudoku the EASY way! X wing, W wing, XY wing, and even a BUG +1

This puzzle has so many strategies, all necessary to solve this hard level puzzle. Feel free to skip ahead, or follow me step by step, here are the time stamps:
X wing 12:27
W wing 14:54
XY wing 18:04
W wing 20:40
BUG +1 23:00

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