public static TinkerGraph createGratefulDead() {
        final TinkerGraph g = getTinkerGraphWithCurrentNumberManager();
        generateGratefulDead(g);
        return g;
    }
Creates the "grateful dead" graph which is a larger graph than most of the toy graphs but has real-world
structure and application and is therefore useful for demonstrating more complex traversals.
tinkergraph-gremlin/src/main/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerFactory.java