Solution, PDFs, black and white version and lots more information at: https://quadratablog.blogspot.com/2020/ ... udoku.html
Another new concept: Dots between cells indicate consecutive numbers, and the colors indicate the size. Dots are also placed whenever possible between cells of the same cage, so lack of a dot means something!
Solution, PDFs, black and white version and lots more information at: https://quadratablog.blogspot.com/2020/ ... udoku.html
Solution, PDFs, black and white version and lots more information at: https://quadratablog.blogspot.com/2020/ ... udoku.html