```import java.util.*;

public class KnightTourModel {
private UnweightedGraph<Integer> graph; // Define a graph

public KnightTourModel() {
// (u, v) is an edge if a knight can move from u and v
ArrayList<AbstractGraph.Edge> edges = getEdges();

// Create a graph with 64 vertices labeled 0 to 63
graph = new UnweightedGraph<Integer>(edges, 64);
}

/** Get a Hamiltonian path starting from vertex v */
public List<Integer> getHamiltonianPath(int v) {
return graph.getHamiltonianPath(v);
}

/** Create edges for the graph */
public static ArrayList<AbstractGraph.Edge> getEdges() {
ArrayList<AbstractGraph.Edge> edges
= new ArrayList<AbstractGraph.Edge>(); // Store edges
for (int i = 0; i < 8; i++)
for (int j = 0; j < 8; j++) {
int u = i * 8 + j; // The vertex label

// Check eight possible edges from u
if (i - 1 >= 0 && j - 2 >= 0) {
int v1 = (i - 1) * 8 + (j - 2);
}

if (i - 2 >= 0 && j - 1 >= 0) {
int v2 = (i - 2) * 8 + (j - 1);
}

if (i - 2 >= 0 && j + 1 <= 7) {
int v3 = (i - 2) * 8 + (j + 1);
}

if (i - 1 >= 0 && j + 2 <= 7) {
int v4 = (i - 1) * 8 + (j + 2);
}

if (i + 1 <= 7 && j + 2 <= 7) {
int v5 = (i + 1) * 8 + (j + 2);
}

if (i + 2 <= 7 && j + 1 <= 7) {
int v6 = (i + 2) * 8 + (j + 1);
}

if (i + 2 <= 7 && j - 1 >= 0) {
int v7 = (i + 2) * 8 + (j - 1);