Manasara 7.3

7.3

caturthaṃ ṣoḍaśapadaṃ mahāpīṭhamiti smṛtam
pañcamaṃ pañcapañcāṃśamupapīṭhamiti smṛtam

the fourth has sixteen plots, remembered as Mahāpīṭha;
the fifth has twenty-five divisions, remembered as Upapīṭha;