Sirena 1
Hut Strat Beginner
Aggro Strat Advanced
Sirena 2
Entry
Spin Jump Intermediate
Boo Bounce Advanced, marginally faster but RNG
Secret (Inside)
Safe Strats Beginner
Sand Skips Advanced
Sirena 3
Front side, no GWK Beginner
Back side, no GWK Advanced
Back side, GWK Advanced, precise
Sirena 4
No Momentum spin/buttslides Beginner
No buttslides, momentum spin Intermediate
1st buttslide, momentum spin Advanced
Both Buttslides Advanced, precise
Sirena 5
Sirena 6
Version difference explanation 
Sirena 7
No Quick kill Beginner
Quick kill, ground pound Advanced
Quick kill, rollout Advanced