Śatapatha Brāhmaṇa ("of a hundred paths") 13.5.3.6

13.5.3.6

hutāsu vapāsu prapadyādhvaryū rajatena pātreṇa prājāpatyam mahimānamuttaraṃ grahaṃ gṛhṇāti tasya purorugyaḥ prāṇato nimiṣato mahitveti viparyaste yājyānuvākye ayātayāmatāyā eṣa eva praiṣo vaṣaṭkṛte juhoti yaste rātrau samvatsare mahimā sambabhūveti nānuvaṣaṭkaroti tasyoktam brāhmaṇam

Now Yâgñavalkya said, 'They should proceed simultaneously with the (omenta) of Pragâpati's (victims), and simultaneously with those consecrated to single gods: it is in this way that he gratifies them deity after deity, that he goes straightway to the completion of the sacrifice, and does not stumble.'