normally you would have...
one hose to the rocker cover (breather)
One hose to the kidney box (breather)
One hose to the bung under the turbo (drain back)
One hose to atmosphere (air release)
But to make the system work better ,
One hose to the bung under the turbo (breather now)
One hose to the kidney box (breather)
One hose to the sump bung (retern under oil level not at crankcase pressure)
One hose to atmosphere (air release)