Modifications

a1[shape=box label="Noeud 1a1" href="[[#Noeud 1a1]]" pos="0,9!"]a4[shape=box label="Noeud 4a4" href="[[#Noeud 4a4]]" pos="0,6!"]a5[shape=box label="Noeud 5a5" href="[[#Noeud 5a5]]" pos="0,5!"]a6[shape=box label="Noeud 6a6" href="[[#Noeud 6a6]]" pos="0,4!"]a7[shape=box label="Noeud 7a7" href="[[#Noeud 7a7]]" pos="0,3!"]a8[shape=box label="Noeud 8a8" href="[[#Noeud 8a8]]" pos="0,2!"]a9[shape=box label="Noeud 9a9" href="[[#Noeud 9a9]]" pos="0,1!"]b3[shape=box label="Noeud 3b3" href="[[#Noeud 3b3]]" pos="1,7!"]b4[shape=box label="Noeud 4b4" href="[[#Noeud 4b4]]" pos="1,6!"]b5[shape=box label="Noeud 5b5" href="[[#Noeud 5b5]]" pos="1,5!"]c3[shape=box label="Noeud 3c3" href="[[#Noeud 3c3]]" pos="-1,7!"]c4[shape=box label="Noeud 4c4" href="[[#Noeud 4c4]]" pos="-1,6!"]c5[shape=box label="Noeud 5c5" href="[[#Noeud 5c5]]" pos="-1,5!"]d2[shape=box label="Noeud 2d2" href="[[#Noeud 2d2]]" pos="2,8!"]d3[shape=box label="Noeud 3d3" href="[[#Noeud 3d3]]" pos="2,7!"]d4[shape=box label="Noeud 4d4" href="[[#Noeud 4d4]]" pos="2,6!"]d5[shape=box label="Noeud 5d5" href="[[#Noeud 5d5]]" pos="2,5!"]d6[shape=box label="Noeud 6d6" href="[[#Noeud 5d5]]" pos="2,4!"]e2[shape=box label="Noeud 2e2" href="[[#Noeud 2e2]]" pos="-2,8!"]e3[shape=box label="Noeud 3e3" href="[[#Noeud 3e3]]" pos="-2,7!"]e4[shape=box label="Noeud 4e4" href="[[#Noeud 4e4]]" pos="-2,6!"]e5[shape=box label="Noeud 5e5" href="[[#Noeud 5e5]]" pos="-2,5!"]e6[shape=box label="Noeud 6e6" href="[[#Noeud 6e6]]" pos="-2,4!"]

=Noeud Niveau 1===Noeud a1===Niveau 2===Noeud d2====Noeud e2===Niveau 3===Noeud b3====Noeud c3====Noeud d3====Noeud e3===Etc...=