public Cube()
{
int i;
for (i=0;i<12;i++)
edges[i] = new Edge((EdgeId)i);
for (i=0;i<8;i++)
corners[i] = new Corner((CornerId)i);
}
public Cube(string ep, string eo, string cp, string co)
: this()
{
string[] s1, s2;
int i;
s1 = ep.Split(' ');
s2 = eo.Split(' ');
for (i = 0; i < 12; i++)
edges[i] = new Edge((EdgeId)Int32.Parse(s1[i]),Int32.Parse(s2[i]));
s1 = cp.Split(' ');
s2 = co.Split(' ');
for (i = 0; i < 8; i++)
corners[i] = new Corner((CornerId)Int32.Parse(s1[i]), Int32.Parse(s2[i]));
}