Up now I'm using
Single mind -> Impulsive -> Utmost caution -> Impulsive* -> Utmost caution -> Impulsive* -> Utmost caution -> Impulsive* -> Utmost caution -> Methodical

Changing after the 1st Impulsive any Impulsive with Methodical if the previous one had a Discerning eye proc.
After depending on your gear you will be able to skip last Apprisal or use an Instinctual rather than a Methodical after a proc.
You will need 600 GP.