X-Chain (Old Faithful!) / Sudoku Tutorial #27
Explanation and demonstration of an AIC Type I that employs the same-digit candidate throughout, known as an X-Chain. Numerous examples, plus a Bonus Section on Continuous Loops!
Видео X-Chain (Old Faithful!) / Sudoku Tutorial #27 канала Sudoku Swami
Видео X-Chain (Old Faithful!) / Sudoku Tutorial #27 канала Sudoku Swami
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