Was a pretty comfortable trip. The HA1 coach this trip was a different one to the usual. Bit more clean, comfy, less rattling and comfy temperature. One thing that i noted was that there was 4 upgrades in a total of 10 seats. And all 4 were upgraded from 3A. I guess this is the train that has the maximum amount of upgrades. I always find at least 1 or 2 upgrades in 1A every time i travel.