def icosahedral_graph(create_using=None):
 description = ['adjacencylist', 'Platonic Icosahedral Graph', 12, [[2, 6, 8, 9, 12], [3, 6, 7, 9], [4, 7, 9, 10], [5, 7, 10, 11], [6, 7, 11, 12], [7, 12], [], [9, 10, 11, 12], [10], [11], [12], []]]
 G = make_small_undirected_graph(description, create_using)
 return G

def icosahedral_graph ( create_using = None ) : description = [ 'adjacencylist' , 'Platonic Icosahedral Graph' , 12 , [ [ 2 , 6 , 8 , 9 , 12 ] , [ 3 , 6 , 7 , 9 ] , [ 4 , 7 , 9 , 10 ] , [ 5 , 7 , 10 , 11 ] , [ 6 , 7 , 11 , 12 ] , [ 7 , 12 ] , [ ] , [ 9 , 10 , 11 , 12 ] , [ 10 ] , [ 11 ] , [ 12 ] , [ ] ] ] G = make_small_undirected_graph ( description , create_using ) return G
return the platonic icosahedral graph .