Naimiṣa-satra Praśna–Prativacana
The Sages’ Questions at Naimiṣa and Sūta’s Reply
तत्सत्रमभवत्तेषां समा द्वादश धीमताम् / पुरूरवसि विक्रान्ते प्रशासति वसुंधराम्
tatsatramabhavatteṣāṃ samā dvādaśa dhīmatām / purūravasi vikrānte praśāsati vasuṃdharām
That satra-sacrifice of those wise ones lasted twelve years, at the time when the valiant Purūrava was ruling the earth.