La faile taille de la stack, et l'optimisation inexistante de cette solution rendent impossibles des tests compliques. En effet, comme montré par la suite, pour un déplacement d'une seule case, l'ordinateur utilise une bonne centaine d'opérations. A ma connaissance, il n'existe pas de moyen d'optimiser la solution d'un taquin autrement qu'en cherchant la meilleure parmi toutes. Toutefois, sur une machine théoriquement illimité en pile mémoire, cet algorithme fonctionnerait.
Voici un output brut de deux tests:

2 ?- but_taquin(etatcourant(1,2,3,8,6,4,7,0,5)).
[etatcourant(1, 2, 3, 8, 6, 4, 7, 0, 5), etatcourant(1, 2, 3, 8, 0, 4, 7, 6, 5)]

Yes.
3 ?- but_taquin(etatcourant(1,2,3,8,6,4,7,5,0)).
[etatcourant(1, 2, 3, 8, 6, 4, 7, 5, 0), etatcourant(1, 2, 3, 8, 6, 0, 7, 5, 4), etatcourant(1, 2, 0, 8, 6, 3, 7, 5, 4), etatcourant(1, 0, 2, 8, 6, 3, 7, 5, 4), etatcourant(1, 6, 2, 8, 0, 3, 7, 5, 4), etatcourant(1, 6, 2, 8, 5, 3, 7, 0, 4), etatcourant(1, 6, 2, 8, 5, 3, 0, 7, 4), etatcourant(1, 6, 2, 0, 5, 3, 8, 7, 4), etatcourant(0, 6, 2, 1, 5, 3, 8, 7, 4), etatcourant(6, 0, 2, 1, 5, 3, 8, 7, 4), etatcourant(6, 5, 2, 1, 0, 3, 8, 7, 4), etatcourant(6, 5, 2, 1, 7, 3, 8, 0, 4), etatcourant(6, 5, 2, 1, 7, 3, 0, 8, 4), etatcourant(6, 5, 2, 0, 7, 3, 1, 8, 4), etatcourant(0, 5, 2, 6, 7, 3, 1, 8, 4), etatcourant(5, 0, 2, 6, 7, 3, 1, 8, 4), etatcourant(5, 7, 2, 6, 0, 3, 1, 8, 4), etatcourant(5, 7, 2, 6, 8, 3, 1, 0, 4), etatcourant(5, 7, 2, 6, 8, 3, 0, 1, 4), etatcourant(5, 7, 2, 0, 8, 3, 6, 1, 4), etatcourant(0, 7, 2, 5, 8, 3, 6, 1, 4), etatcourant(7, 0, 2, 5, 8, 3, 6, 1, 4), etatcourant(7, 8, 2, 5, 0, 3, 6, 1, 4), etatcourant(7, 8, 2, 5, 1, 3, 6, 0, 4), etatcourant(7, 8, 2, 5, 1, 3, 0, 6, 4), etatcourant(7, 8, 2, 0, 1, 3, 5, 6, 4), etatcourant(0, 8, 2, 7, 1, 3, 5, 6, 4), etatcourant(8, 0, 2, 7, 1, 3, 5, 6, 4), etatcourant(8, 1, 2, 7, 0, 3, 5, 6, 4), etatcourant(8, 1, 2, 7, 6, 3, 5, 0, 4), etatcourant(8, 1, 2, 7, 6, 3, 0, 5, 4), etatcourant(8, 1, 2, 0, 6, 3, 7, 5, 4), etatcourant(8, 1, 2, 6, 0, 3, 7, 5, 4), etatcourant(8, 0, 2, 6, 1, 3, 7, 5, 4), etatcourant(0, 8, 2, 6, 1, 3, 7, 5, 4), etatcourant(6, 8, 2, 0, 1, 3, 7, 5, 4), etatcourant(6, 8, 2, 7, 1, 3, 0, 5, 4), etatcourant(6, 8, 2, 7, 1, 3, 5, 0, 4), etatcourant(6, 8, 2, 7, 0, 3, 5, 1, 4), etatcourant(6, 0, 2, 7, 8, 3, 5, 1, 4), etatcourant(0, 6, 2, 7, 8, 3, 5, 1, 4), etatcourant(7, 6, 2, 0, 8, 3, 5, 1, 4), etatcourant(7, 6, 2, 5, 8, 3, 0, 1, 4), etatcourant(7, 6, 2, 5, 8, 3, 1, 0, 4), etatcourant(7, 6, 2, 5, 0, 3, 1, 8, 4), etatcourant(7, 0, 2, 5, 6, 3, 1, 8, 4), etatcourant(0, 7, 2, 5, 6, 3, 1, 8, 4), etatcourant(5, 7, 2, 0, 6, 3, 1, 8, 4), etatcourant(5, 7, 2, 1, 6, 3, 0, 8, 4), etatcourant(5, 7, 2, 1, 6, 3, 8, 0, 4), etatcourant(5, 7, 2, 1, 0, 3, 8, 6, 4), etatcourant(5, 0, 2, 1, 7, 3, 8, 6, 4), etatcourant(0, 5, 2, 1, 7, 3, 8, 6, 4), etatcourant(1, 5, 2, 0, 7, 3, 8, 6, 4), etatcourant(1, 5, 2, 8, 7, 3, 0, 6, 4), etatcourant(1, 5, 2, 8, 7, 3, 6, 0, 4), etatcourant(1, 5, 2, 8, 0, 3, 6, 7, 4), etatcourant(1, 0, 2, 8, 5, 3, 6, 7, 4), etatcourant(0, 1, 2, 8, 5, 3, 6, 7, 4), etatcourant(8, 1, 2, 0, 5, 3, 6, 7, 4), etatcourant(8, 1, 2, 6, 5, 3, 0, 7, 4), etatcourant(8, 1, 2, 6, 5, 3, 7, 0, 4), etatcourant(8, 1, 2, 6, 5, 3, 7, 4, 0), etatcourant(8, 1, 2, 6, 5, 0, 7, 4, 3), etatcourant(8, 1, 0, 6, 5, 2, 7, 4, 3), etatcourant(8, 0, 1, 6, 5, 2, 7, 4, 3), etatcourant(8, 5, 1, 6, 0, 2, 7, 4, 3), etatcourant(8, 5, 1, 6, 4, 2, 7, 0, 3), etatcourant(8, 5, 1, 6, 4, 2, 0, 7, 3), etatcourant(8, 5, 1, 0, 4, 2, 6, 7, 3), etatcourant(0, 5, 1, 8, 4, 2, 6, 7, 3), etatcourant(5, 0, 1, 8, 4, 2, 6, 7, 3), etatcourant(5, 4, 1, 8, 0, 2, 6, 7, 3), etatcourant(5, 4, 1, 8, 7, 2, 6, 0, 3), etatcourant(5, 4, 1, 8, 7, 2, 0, 6, 3), etatcourant(5, 4, 1, 0, 7, 2, 8, 6, 3), etatcourant(0, 4, 1, 5, 7, 2, 8, 6, 3), etatcourant(4, 0, 1, 5, 7, 2, 8, 6, 3), etatcourant(4, 7, 1, 5, 0, 2, 8, 6, 3), etatcourant(4, 7, 1, 5, 6, 2, 8, 0, 3), etatcourant(4, 7, 1, 5, 6, 2, 0, 8, 3), etatcourant(4, 7, 1, 0, 6, 2, 5, 8, 3), etatcourant(0, 7, 1, 4, 6, 2, 5, 8, 3), etatcourant(7, 0, 1, 4, 6, 2, 5, 8, 3), etatcourant(7, 6, 1, 4, 0, 2, 5, 8, 3), etatcourant(7, 6, 1, 4, 8, 2, 5, 0, 3), etatcourant(7, 6, 1, 4, 8, 2, 0, 5, 3), etatcourant(7, 6, 1, 0, 8, 2, 4, 5, 3), etatcourant(0, 6, 1, 7, 8, 2, 4, 5, 3), etatcourant(6, 0, 1, 7, 8, 2, 4, 5, 3), etatcourant(6, 8, 1, 7, 0, 2, 4, 5, 3), etatcourant(6, 8, 1, 7, 5, 2, 4, 0, 3), etatcourant(6, 8, 1, 7, 5, 2, 0, 4, 3), etatcourant(6, 8, 1, 0, 5, 2, 7, 4, 3), etatcourant(6, 8, 1, 5, 0, 2, 7, 4, 3), etatcourant(6, 0, 1, 5, 8, 2, 7, 4, 3), etatcourant(0, 6, 1, 5, 8, 2, 7, 4, 3), etatcourant(5, 6, 1, 0, 8, 2, 7, 4, 3), etatcourant(5, 6, 1, 7, 8, 2, 0, 4, 3), etatcourant(5, 6, 1, 7, 8, 2, 4, 0, 3), etatcourant(5, 6, 1, 7, 0, 2, 4, 8, 3), etatcourant(5, 0, 1, 7, 6, 2, 4, 8, 3), etatcourant(0, 5, 1, 7, 6, 2, 4, 8, 3), etatcourant(7, 5, 1, 0, 6, 2, 4, 8, 3), etatcourant(7, 5, 1, 4, 6, 2, 0, 8, 3), etatcourant(7, 5, 1, 4, 6, 2, 8, 0, 3), etatcourant(7, 5, 1, 4, 0, 2, 8, 6, 3), etatcourant(7, 0, 1, 4, 5, 2, 8, 6, 3), etatcourant(0, 7, 1, 4, 5, 2, 8, 6, 3), etatcourant(4, 7, 1, 0, 5, 2, 8, 6, 3), etatcourant(4, 7, 1, 8, 5, 2, 0, 6, 3), etatcourant(4, 7, 1, 8, 5, 2, 6, 0, 3), etatcourant(4, 7, 1, 8, 0, 2, 6, 5, 3), etatcourant(4, 0, 1, 8, 7, 2, 6, 5, 3), etatcourant(0, 4, 1, 8, 7, 2, 6, 5, 3), etatcourant(8, 4, 1, 0, 7, 2, 6, 5, 3), etatcourant(8, 4, 1, 6, 7, 2, 0, 5, 3), etatcourant(8, 4, 1, 6, 7, 2, 5, 0, 3), etatcourant(8, 4, 1, 6, 0, 2, 5, 7, 3), etatcourant(8, 0, 1, 6, 4, 2, 5, 7, 3), etatcourant(0, 8, 1, 6, 4, 2, 5, 7, 3), etatcourant(6, 8, 1, 0, 4, 2, 5, 7, 3), etatcourant(6, 8, 1, 5, 4, 2, 0, 7, 3), etatcourant(6, 8, 1, 5, 4, 2, 7, 0, 3), etatcourant(6, 8, 1, 5, 4, 2, 7, 3, 0), etatcourant(6, 8, 1, 5, 4, 0, 7, 3, 2), etatcourant(6, 8, 0, 5, 4, 1, 7, 3, 2), etatcourant(6, 0, 8, 5, 4, 1, 7, 3, 2), etatcourant(6, 4, 8, 5, 0, 1, 7, 3, 2), etatcourant(6, 4, 8, 5, 3, 1, 7, 0, 2), etatcourant(6, 4, 8, 5, 3, 1, 0, 7, 2), etatcourant(6, 4, 8, 0, 3, 1, 5, 7, 2), etatcourant(0, 4, 8, 6, 3, 1, 5, 7, 2), etatcourant(4, 0, 8, 6, 3, 1, 5, 7, 2), etatcourant(4, 3, 8, 6, 0, 1, 5, 7, 2), etatcourant(4, 3, 8, 6, 7, 1, 5, 0, 2), etatcourant(4, 3, 8, 6, 7, 1, 0, 5, 2), etatcourant(4, 3, 8, 0, 7, 1, 6, 5, 2), etatcourant(0, 3, 8, 4, 7, 1, 6, 5, 2), etatcourant(3, 0, 8, 4, 7, 1, 6, 5, 2), etatcourant(3, 7, 8, 4, 0, 1, 6, 5, 2), etatcourant(3, 7, 8, 4, 5, 1, 6, 0, 2), etatcourant(3, 7, 8, 4, 5, 1, 0, 6, 2), etatcourant(3, 7, 8, 0, 5, 1, 4, 6, 2), etatcourant(0, 7, 8, 3, 5, 1, 4, 6, 2), etatcourant(7, 0, 8, 3, 5, 1, 4, 6, 2), etatcourant(7, 5, 8, 3, 0, 1, 4, 6, 2), etatcourant(7, 5, 8, 3, 6, 1, 4, 0, 2), etatcourant(7, 5, 8, 3, 6, 1, 0, 4, 2), etatcourant(7, 5, 8, 0, 6, 1, 3, 4, 2), etatcourant(0, 5, 8, 7, 6, 1, 3, 4, 2), etatcourant(5, 0, 8, 7, 6, 1, 3, 4, 2), etatcourant(5, 6, 8, 7, 0, 1, 3, 4, 2), etatcourant(5, 6, 8, 7, 4, 1, 3, 0, 2), etatcourant(5, 6, 8, 7, 4, 1, 0, 3, 2), etatcourant(5, 6, 8, 0, 4, 1, 7, 3, 2), etatcourant(5, 6, 8, 4, 0, 1, 7, 3, 2), etatcourant(5, 0, 8, 4, 6, 1, 7, 3, 2), etatcourant(0, 5, 8, 4, 6, 1, 7, 3, 2), etatcourant(4, 5, 8, 0, 6, 1, 7, 3, 2), etatcourant(4, 5, 8, 7, 6, 1, 0, 3, 2), etatcourant(4, 5, 8, 7, 6, 1, 3, 0, 2), etatcourant(4, 5, 8, 7, 0, 1, 3, 6, 2), etatcourant(4, 0, 8, 7, 5, 1, 3, 6, 2), etatcourant(0, 4, 8, 7, 5, 1, 3, 6, 2), etatcourant(7, 4, 8, 0, 5, 1, 3, 6, 2), etatcourant(7, 4, 8, 3, 5, 1, 0, 6, 2), etatcourant(7, 4, 8, 3, 5, 1, 6, 0, 2), etatcourant(7, 4, 8, 3, 0, 1, 6, 5, 2), etatcourant(7, 0, 8, 3, 4, 1, 6, 5, 2), etatcourant(0, 7, 8, 3, 4, 1, 6, 5, 2), etatcourant(3, 7, 8, 0, 4, 1, 6, 5, 2), etatcourant(3, 7, 8, 6, 4, 1, 0, 5, 2), etatcourant(3, 7, 8, 6, 4, 1, 5, 0, 2), etatcourant(3, 7, 8, 6, 0, 1, 5, 4, 2), etatcourant(3, 0, 8, 6, 7, 1, 5, 4, 2), etatcourant(0, 3, 8, 6, 7, 1, 5, 4, 2), etatcourant(6, 3, 8, 0, 7, 1, 5, 4, 2), etatcourant(6, 3, 8, 5, 7, 1, 0, 4, 2), etatcourant(6, 3, 8, 5, 7, 1, 4, 0, 2), etatcourant(6, 3, 8, 5, 0, 1, 4, 7, 2), etatcourant(6, 0, 8, 5, 3, 1, 4, 7, 2), etatcourant(0, 6, 8, 5, 3, 1, 4, 7, 2), etatcourant(5, 6, 8, 0, 3, 1, 4, 7, 2), etatcourant(5, 6, 8, 4, 3, 1, 0, 7, 2), etatcourant(5, 6, 8, 4, 3, 1, 7, 0, 2), etatcourant(5, 6, 8, 4, 3, 1, 7, 2, 0), etatcourant(5, 6, 8, 4, 3, 0, 7, 2, 1), etatcourant(5, 6, 0, 4, 3, 8, 7, 2, 1), etatcourant(5, 0, 6, 4, 3, 8, 7, 2, 1), etatcourant(5, 3, 6, 4, 0, 8, 7, 2, 1), etatcourant(5, 3, 6, 4, 2, 8, 7, 0, 1), etatcourant(5, 3, 6, 4, 2, 8, 0, 7, 1), etatcourant(5, 3, 6, 0, 2, 8, 4, 7, 1), etatcourant(0, 3, 6, 5, 2, 8, 4, 7, 1), etatcourant(3, 0, 6, 5, 2, 8, 4, 7, 1), etatcourant(3, 2, 6, 5, 0, 8, 4, 7, 1), etatcourant(3, 2, 6, 5, 7, 8, 4, 0, 1), etatcourant(3, 2, 6, 5, 7, 8, 0, 4, 1), etatcourant(3, 2, 6, 0, 7, 8, 5, 4, 1), etatcourant(0, 2, 6, 3, 7, 8, 5, 4, 1), etatcourant(2, 0, 6, 3, 7, 8, 5, 4, 1), etatcourant(2, 7, 6, 3, 0, 8, 5, 4, 1), etatcourant(2, 7, 6, 3, 4, 8, 5, 0, 1), etatcourant(2, 7, 6, 3, 4, 8, 0, 5, 1), etatcourant(2, 7, 6, 0, 4, 8, 3, 5, 1), etatcourant(0, 7, 6, 2, 4, 8, 3, 5, 1), etatcourant(7, 0, 6, 2, 4, 8, 3, 5, 1), etatcourant(7, 4, 6, 2, 0, 8, 3, 5, 1), etatcourant(7, 4, 6, 2, 5, 8, 3, 0, 1), etatcourant(7, 4, 6, 2, 5, 8, 0, 3, 1), etatcourant(7, 4, 6, 0, 5, 8, 2, 3, 1), etatcourant(0, 4, 6, 7, 5, 8, 2, 3, 1), etatcourant(4, 0, 6, 7, 5, 8, 2, 3, 1), etatcourant(4, 5, 6, 7, 0, 8, 2, 3, 1), etatcourant(4, 5, 6, 7, 3, 8, 2, 0, 1), etatcourant(4, 5, 6, 7, 3, 8, 0, 2, 1), etatcourant(4, 5, 6, 0, 3, 8, 7, 2, 1), etatcourant(4, 5, 6, 3, 0, 8, 7, 2, 1), etatcourant(4, 0, 6, 3, 5, 8, 7, 2, 1), etatcourant(0, 4, 6, 3, 5, 8, 7, 2, 1), etatcourant(3, 4, 6, 0, 5, 8, 7, 2, 1), etatcourant(3, 4, 6, 7, 5, 8, 0, 2, 1), etatcourant(3, 4, 6, 7, 5, 8, 2, 0, 1), etatcourant(3, 4, 6, 7, 0, 8, 2, 5, 1), etatcourant(3, 0, 6, 7, 4, 8, 2, 5, 1), etatcourant(0, 3, 6, 7, 4, 8, 2, 5, 1), etatcourant(7, 3, 6, 0, 4, 8, 2, 5, 1), etatcourant(7, 3, 6, 2, 4, 8, 0, 5, 1), etatcourant(7, 3, 6, 2, 4, 8, 5, 0, 1), etatcourant(7, 3, 6, 2, 0, 8, 5, 4, 1), etatcourant(7, 0, 6, 2, 3, 8, 5, 4, 1), etatcourant(0, 7, 6, 2, 3, 8, 5, 4, 1), etatcourant(2, 7, 6, 0, 3, 8, 5, 4, 1), etatcourant(2, 7, 6, 5, 3, 8, 0, 4, 1), etatcourant(2, 7, 6, 5, 3, 8, 4, 0, 1), etatcourant(2, 7, 6, 5, 0, 8, 4, 3, 1), etatcourant(2, 0, 6, 5, 7, 8, 4, 3, 1), etatcourant(0, 2, 6, 5, 7, 8, 4, 3, 1), etatcourant(5, 2, 6, 0, 7, 8, 4, 3, 1), etatcourant(5, 2, 6, 4, 7, 8, 0, 3, 1), etatcourant(5, 2, 6, 4, 7, 8, 3, 0, 1), etatcourant(5, 2, 6, 4, 0, 8, 3, 7, 1), etatcourant(5, 0, 6, 4, 2, 8, 3, 7, 1), etatcourant(0, 5, 6, 4, 2, 8, 3, 7, 1), etatcourant(4, 5, 6, 0, 2, 8, 3, 7, 1), etatcourant(4, 5, 6, 3, 2, 8, 0, 7, 1), etatcourant(4, 5, 6, 3, 2, 8, 7, 0, 1), etatcourant(4, 5, 6, 3, 2, 8, 7, 1, 0), etatcourant(4, 5, 6, 3, 2, 0, 7, 1, 8), etatcourant(4, 5, 0, 3, 2, 6, 7, 1, 8), etatcourant(4, 0, 5, 3, 2, 6, 7, 1, 8), etatcourant(4, 2, 5, 3, 0, 6, 7, 1, 8), etatcourant(4, 2, 5, 3, 1, 6, 7, 0, 8), etatcourant(4, 2, 5, 3, 1, 6, 0, 7, 8), etatcourant(4, 2, 5, 0, 1, 6, 3, 7, 8), etatcourant(0, 2, 5, 4, 1, 6, 3, 7, 8), etatcourant(2, 0, 5, 4, 1, 6, 3, 7, 8), etatcourant(2, 1, 5, 4, 0, 6, 3, 7, 8), etatcourant(2, 1, 5, 4, 7, 6, 3, 0, 8), etatcourant(2, 1, 5, 4, 7, 6, 0, 3, 8), etatcourant(2, 1, 5, 0, 7, 6, 4, 3, 8), etatcourant(0, 1, 5, 2, 7, 6, 4, 3, 8), etatcourant(1, 0, 5, 2, 7, 6, 4, 3, 8), etatcourant(1, 7, 5, 2, 0, 6, 4, 3, 8), etatcourant(1, 7, 5, 2, 3, 6, 4, 0, 8), etatcourant(1, 7, 5, 2, 3, 6, 0, 4, 8), etatcourant(1, 7, 5, 0, 3, 6, 2, 4, 8), etatcourant(0, 7, 5, 1, 3, 6, 2, 4, 8), etatcourant(7, 0, 5, 1, 3, 6, 2, 4, 8), etatcourant(7, 3, 5, 1, 0, 6, 2, 4, 8), etatcourant(7, 3, 5, 1, 4, 6, 2, 0, 8), etatcourant(7, 3, 5, 1, 4, 6, 0, 2, 8), etatcourant(7, 3, 5, 0, 4, 6, 1, 2, 8), etatcourant(0, 3, 5, 7, 4, 6, 1, 2, 8), etatcourant(3, 0, 5, 7, 4, 6, 1, 2, 8), etatcourant(3, 4, 5, 7, 0, 6, 1, 2, 8), etatcourant(3, 4, 5, 7, 2, 6, 1, 0, 8), etatcourant(3, 4, 5, 7, 2, 6, 0, 1, 8), etatcourant(3, 4, 5, 0, 2, 6, 7, 1, 8), etatcourant(3, 4, 5, 2, 0, 6, 7, 1, 8), etatcourant(3, 0, 5, 2, 4, 6, 7, 1, 8), etatcourant(0, 3, 5, 2, 4, 6, 7, 1, 8), etatcourant(2, 3, 5, 0, 4, 6, 7, 1, 8), etatcourant(2, 3, 5, 7, 4, 6, 0, 1, 8), etatcourant(2, 3, 5, 7, 4, 6, 1, 0, 8), etatcourant(2, 3, 5, 7, 0, 6, 1, 4, 8), etatcourant(2, 0, 5, 7, 3, 6, 1, 4, 8), etatcourant(0, 2, 5, 7, 3, 6, 1, 4, 8), etatcourant(7, 2, 5, 0, 3, 6, 1, 4, 8), etatcourant(7, 2, 5, 1, 3, 6, 0, 4, 8), etatcourant(7, 2, 5, 1, 3, 6, 4, 0, 8), etatcourant(7, 2, 5, 1, 0, 6, 4, 3, 8), etatcourant(7, 0, 5, 1, 2, 6, 4, 3, 8), etatcourant(0, 7, 5, 1, 2, 6, 4, 3, 8), etatcourant(1, 7, 5, 0, 2, 6, 4, 3, 8), etatcourant(1, 7, 5, 4, 2, 6, 0, 3, 8), etatcourant(1, 7, 5, 4, 2, 6, 3, 0, 8), etatcourant(1, 7, 5, 4, 0, 6, 3, 2, 8), etatcourant(1, 0, 5, 4, 7, 6, 3, 2, 8), etatcourant(0, 1, 5, 4, 7, 6, 3, 2, 8), etatcourant(4, 1, 5, 0, 7, 6, 3, 2, 8), etatcourant(4, 1, 5, 3, 7, 6, 0, 2, 8), etatcourant(4, 1, 5, 3, 7, 6, 2, 0, 8), etatcourant(4, 1, 5, 3, 0, 6, 2, 7, 8), etatcourant(4, 0, 5, 3, 1, 6, 2, 7, 8), etatcourant(0, 4, 5, 3, 1, 6, 2, 7, 8), etatcourant(3, 4, 5, 0, 1, 6, 2, 7, 8), etatcourant(3, 4, 5, 2, 1, 6, 0, 7, 8), etatcourant(3, 4, 5, 2, 1, 6, 7, 0, 8), etatcourant(3, 4, 5, 2, 1, 6, 7, 8, 0), etatcourant(3, 4, 5, 2, 1, 0, 7, 8, 6), etatcourant(3, 4, 0, 2, 1, 5, 7, 8, 6), etatcourant(3, 0, 4, 2, 1, 5, 7, 8, 6), etatcourant(3, 1, 4, 2, 0, 5, 7, 8, 6), etatcourant(3, 1, 4, 2, 8, 5, 7, 0, 6), etatcourant(3, 1, 4, 2, 8, 5, 0, 7, 6), etatcourant(3, 1, 4, 0, 8, 5, 2, 7, 6), etatcourant(0, 1, 4, 3, 8, 5, 2, 7, 6), etatcourant(1, 0, 4, 3, 8, 5, 2, 7, 6), etatcourant(1, 8, 4, 3, 0, 5, 2, 7, 6), etatcourant(1, 8, 4, 3, 7, 5, 2, 0, 6), etatcourant(1, 8, 4, 3, 7, 5, 0, 2, 6), etatcourant(1, 8, 4, 0, 7, 5, 3, 2, 6), etatcourant(0, 8, 4, 1, 7, 5, 3, 2, 6), etatcourant(8, 0, 4, 1, 7, 5, 3, 2, 6), etatcourant(8, 7, 4, 1, 0, 5, 3, 2, 6), etatcourant(8, 7, 4, 1, 2, 5, 3, 0, 6), etatcourant(8, 7, 4, 1, 2, 5, 0, 3, 6), etatcourant(8, 7, 4, 0, 2, 5, 1, 3, 6), etatcourant(0, 7, 4, 8, 2, 5, 1, 3, 6), etatcourant(7, 0, 4, 8, 2, 5, 1, 3, 6), etatcourant(7, 2, 4, 8, 0, 5, 1, 3, 6), etatcourant(7, 2, 4, 8, 3, 5, 1, 0, 6), etatcourant(7, 2, 4, 8, 3, 5, 0, 1, 6), etatcourant(7, 2, 4, 0, 3, 5, 8, 1, 6), etatcourant(0, 2, 4, 7, 3, 5, 8, 1, 6), etatcourant(2, 0, 4, 7, 3, 5, 8, 1, 6), etatcourant(2, 3, 4, 7, 0, 5, 8, 1, 6), etatcourant(2, 3, 4, 7, 1, 5, 8, 0, 6), etatcourant(2, 3, 4, 7, 1, 5, 0, 8, 6), etatcourant(2, 3, 4, 0, 1, 5, 7, 8, 6), etatcourant(2, 3, 4, 1, 0, 5, 7, 8, 6), etatcourant(2, 0, 4, 1, 3, 5, 7, 8, 6), etatcourant(0, 2, 4, 1, 3, 5, 7, 8, 6), etatcourant(1, 2, 4, 0, 3, 5, 7, 8, 6), etatcourant(1, 2, 4, 7, 3, 5, 0, 8, 6), etatcourant(1, 2, 4, 7, 3, 5, 8, 0, 6), etatcourant(1, 2, 4, 7, 0, 5, 8, 3, 6), etatcourant(1, 0, 4, 7, 2, 5, 8, 3, 6), etatcourant(0, 1, 4, 7, 2, 5, 8, 3, 6), etatcourant(7, 1, 4, 0, 2, 5, 8, 3, 6), etatcourant(7, 1, 4, 8, 2, 5, 0, 3, 6), etatcourant(7, 1, 4, 8, 2, 5, 3, 0, 6), etatcourant(7, 1, 4, 8, 0, 5, 3, 2, 6), etatcourant(7, 0, 4, 8, 1, 5, 3, 2, 6), etatcourant(0, 7, 4, 8, 1, 5, 3, 2, 6), etatcourant(8, 7, 4, 0, 1, 5, 3, 2, 6), etatcourant(8, 7, 4, 3, 1, 5, 0, 2, 6), etatcourant(8, 7, 4, 3, 1, 5, 2, 0, 6), etatcourant(8, 7, 4, 3, 0, 5, 2, 1, 6), etatcourant(8, 0, 4, 3, 7, 5, 2, 1, 6), etatcourant(0, 8, 4, 3, 7, 5, 2, 1, 6), etatcourant(3, 8, 4, 0, 7, 5, 2, 1, 6), etatcourant(3, 8, 4, 2, 7, 5, 0, 1, 6), etatcourant(3, 8, 4, 2, 7, 5, 1, 0, 6), etatcourant(3, 8, 4, 2, 0, 5, 1, 7, 6), etatcourant(3, 0, 4, 2, 8, 5, 1, 7, 6), etatcourant(0, 3, 4, 2, 8, 5, 1, 7, 6), etatcourant(2, 3, 4, 0, 8, 5, 1, 7, 6), etatcourant(2, 3, 4, 1, 8, 5, 0, 7, 6), etatcourant(2, 3, 4, 1, 8, 5, 7, 0, 6), etatcourant(2, 3, 4, 1, 8, 5, 7, 6, 0), etatcourant(2, 3, 4, 1, 8, 0, 7, 6, 5), etatcourant(2, 3, 0, 1, 8, 4, 7, 6, 5), etatcourant(2, 0, 3, 1, 8, 4, 7, 6, 5), etatcourant(2, 8, 3, 1, 0, 4, 7, 6, 5), etatcourant(2, 8, 3, 1, 6, 4, 7, 0, 5), etatcourant(2, 8, 3, 1, 6, 4, 0, 7, 5), etatcourant(2, 8, 3, 0, 6, 4, 1, 7, 5), etatcourant(0, 8, 3, 2, 6, 4, 1, 7, 5), etatcourant(8, 0, 3, 2, 6, 4, 1, 7, 5), etatcourant(8, 6, 3, 2, 0, 4, 1, 7, 5), etatcourant(8, 6, 3, 2, 7, 4, 1, 0, 5), etatcourant(8, 6, 3, 2, 7, 4, 0, 1, 5), etatcourant(8, 6, 3, 0, 7, 4, 2, 1, 5), etatcourant(0, 6, 3, 8, 7, 4, 2, 1, 5), etatcourant(6, 0, 3, 8, 7, 4, 2, 1, 5), etatcourant(6, 7, 3, 8, 0, 4, 2, 1, 5), etatcourant(6, 7, 3, 8, 1, 4, 2, 0, 5), etatcourant(6, 7, 3, 8, 1, 4, 0, 2, 5), etatcourant(6, 7, 3, 0, 1, 4, 8, 2, 5), etatcourant(0, 7, 3, 6, 1, 4, 8, 2, 5), etatcourant(7, 0, 3, 6, 1, 4, 8, 2, 5), etatcourant(7, 1, 3, 6, 0, 4, 8, 2, 5), etatcourant(7, 1, 3, 6, 2, 4, 8, 0, 5), etatcourant(7, 1, 3, 6, 2, 4, 0, 8, 5), etatcourant(7, 1, 3, 0, 2, 4, 6, 8, 5), etatcourant(0, 1, 3, 7, 2, 4, 6, 8, 5), etatcourant(1, 0, 3, 7, 2, 4, 6, 8, 5), etatcourant(1, 2, 3, 7, 0, 4, 6, 8, 5), etatcourant(1, 2, 3, 7, 8, 4, 6, 0, 5), etatcourant(1, 2, 3, 7, 8, 4, 0, 6, 5), etatcourant(1, 2, 3, 0, 8, 4, 7, 6, 5), etatcourant(1, 2, 3, 8, 0, 4, 7, 6, 5)]
Yes.

Le suivant ne marche plus, a cause d'un stack overflow...