Kings, Queens, and Princesses

The numbers in this puzzle have a constraint I call anti-princess Ordinary sudoku rules apply. In addition, the number in a box tells you the minimum diagonal distance between another of the same number try it here

Watch a solve from Mark Goodliffe here

Cam Dennis
Cam Dennis
Soft Condensed Matter Physics PhD Student

My research interests include glasses, soft condensed matter, jamming, simulations, and biophysics