note:
Start with 3 and 4 liner base with speed on them. Dont level 3 liners to 4 liners in an attempt to get speed as the 4th. Not really worth your time.
3-Liner Tree
Level 3-liner to level 6
Starts with 4 base speed
What happened at Level 6?
4-Liner Tree
Level 4-liner to level 6
Starts with 4 base speed
What happened at Level 6?