Śatapatha Brāhmaṇa ("of a hundred paths") 2.6.1.17

2.6.1.17

sa tatra juhūmāsādayati | atha pūrvāmupabhṛtamatha dhruvāmatha puroḍāśamatha dhānā atha manthamāsādya havīṃṣi sammṛśati

Thereon he lays the guhû, and east of it (on the barhis) the upabhrit. Having then put down the dhruvâ, the cake, the parched grain, and the porridge (each east of the preceding one), he touches the oblations.