0prt18 1prt 2prt1 3prt18 4prt

pgst qgst1 rgst18 sgst tgst1

e7st1 f7st18 g7st h7st1 i7st18

3xtt18 4xtt 5xtt1 6xtt18 7xtt

sout tout1 uout18 vout wout1