func NewGraph16(rank uint) Graph16 {
	if rank > 16 {
		panic("graph: Graph16 rank out of bounds")
	}
	return make(Graph16, rank)
}
// NewGraph16 constructs a graph with a given number of nodes.
NewGraph16 constructs a graph with a given number of nodes.
// NewGraph16 constructs a graph with a given number of nodes .
func NewGraph16(rank uint) Graph16 {
	if rank > 16 {
		panic("graph: Graph16 rank out of bounds")
	}
	return make(Graph16, rank)
}
func NewGraph16 ( rank uint ) Graph16 { if rank > 16 { panic ( " " ) } return make ( Graph16 , rank ) }
NewGraph16 constructs a graph with a given number of nodes.
NewGraph16 constructs a graph with a given number of nodes .