Manasara 7.8

7.8

trayodaśaṃ tathā proktaṃ navaṣaṣṭyadhikaṃ śatam
padamevaṃ vidhiṃ jñātvā nāma cobhayacaṇḍitam

the thirteenth is taught as having one hundred and sixty-nine plots;
knowing the rule for this grid, its name is Ubhayacaṇḍita;