Triples to the rescue for this expert sudoku puzzle.
You can play this game here: https://sudokuexchange.com/play/?s=000000635000000001020006090087002000000090000009140000000800006070530900005010400 source
NMalteC
NMalteC
You can play this game here: https://sudokuexchange.com/play/?s=000000635000000001020006090087002000000090000009140000000800006070530900005010400 source