Oh. I understand now. 5 and 6 in the 6MT matches up with 4 and 5 in the 5MT.
Driving the 5MT in 5th want another gear. The 6MT always audible in ready to go. When I am driving a Tune 6MT, I start in 2 and straight to 4th gear and then quick to 5 or 6 for cruising.