Anandakanda 1.20.119

1.20.119

punaśca sūryamārgeṇa pūrayet pūrvavatpriye /
kumbhayitvā recayecca vāmanāsāpuṭena ca //

Then, one should inhale through the path of the sun as before, my dear; / having retained it, one should exhale through the left nostril.