16.09.2019, 17:01
(16.09.2019, 16:56)rob schrieb: (The type has been on Sudoku GP and LMI at least without the rule, e.g. https://gp.worldpuzzle.org/content/compe...puzzles-32 or http://logicmastersindia.com/lmitests/dl...mentid=720 )
And, perhaps more to the point, on WSC 2017 where I believe the type appeared for the first time: http://logicmastersindia.com/lmitests/dl...tid=669&v1