I have a ohv155 15.5 Tecumseh what is the direction of the top and middle piston ring suppose to be top has a cut out around the ring middle has a ring around it

Hi,
Here is a link to the service manual for the OHV Tecumseh singles:
http://www.smallenginesuppliers.com/html/engine-specs/tecumseh/Tecumseh_4-Cycle_OHV_Engines_Service_Information.pdf
Peace,
Clarke