Matsya Purana 207.9

207.9

manuruvāca.
ṣaḍunnatāḥ ke bhagavan! ke ca pañcasamāyatāḥ.
āyātāśca tathaivāṣṭau dhenūnāṅke śubhāvahāḥ .. 207.9 ..

Manu said —"Which six parts should be elevated? which five parts should be level? and which eight parts are to be capacious and wide?"—9