Originally Posted by
dongyeh
Not exactly
G6 stops at Najing & Ji'nan
G## < G20 usually only stops at Nanjing & Ji'nan, while G12 has 5 stops
Others 5+

Oops. I forgot about G5/6.
In the original Jinghu HSR schedule, 2-digit trains adhered to the 2-stop convention, but this went out the window when they starting trying to optimize things.