Je confirme que la solution est unique. Il faut évacuer une impossibilité sur la position de la 2ème case du 2 de L17 et la fin coule toute seule.
(I confirm that the solution is unique. You must evacuate an impossibility about the position of the 2nd plot of the 2 in R17 and the end is coming easily.
(I confirm that the solution is unique. You must evacuate an impossibility about the position of the 2nd plot of the 2 in R17 and the end is coming easily.