Mayamatam 9.118

9.118

brahmasthānād bahiṣṭhāni pūrvādau sthāpayet kramāt
svarṇena śāliṃ rūpyeṇa vrīhiṃ cāyaskodravam

positioned outside the plot of Brahmā, one should place them successively beginning in the east: / winter rice (śāli) in gold, paddy (vrīhi) in silver, and kodrava millet in iron;