piston ring markings

[kinlonpower]

Hi,
i bought a piston and sleeve kit for my Kinlon 200SM.
I am installing the new rings on the piston and i want to know which is middle and which is upper ring.
They are both the same shade of black.One is marked H and the other H2.
thanks in advance

 

[DHZ_XR8cing]

as a guess H is ya top ring.

 

[kinlonpower]

that was my guess.