What would be the equation of the following surface?

What would be the equation of the following surface?

a month ago
Anonymous $6hYC3Wwiad
Last Seen
12 minutes ago
Reputation
0
Spam
0.000
Last Seen
2 hours ago
Reputation
0
Spam
0.000
Last Seen
about an hour ago
Reputation
0
Spam
0.000
Last Seen
3 hours ago
Reputation
0
Spam
0.000
Last Seen
57 minutes ago
Reputation
0
Spam
0.000
Last Seen
2 hours ago
Reputation
0
Spam
0.000
Last Seen
2 hours ago
Reputation
0
Spam
0.000
Last Seen
2 hours ago
Reputation
0
Spam
0.000
Last Seen
7 minutes ago
Reputation
0
Spam
0.000
Last Seen
7 minutes ago
Reputation
0
Spam
0.000
Last Seen
45 minutes ago
Reputation
0
Spam
0.000
Last Seen
43 minutes ago
Reputation
0
Spam
0.000
Last Seen
about an hour ago
Reputation
0
Spam
0.000
Last Seen
2 hours ago
Reputation
0
Spam
0.000
Last Seen
2 hours ago
Reputation
0
Spam
0.000