Mahabharata 3.241.33
राजसूयं क्रतुश्रेष्ठं स्पर्धत्येष महाक्रतुःअस्माकं रोचते चैव श्रेयश्च तव भारतअविघ्नश्च भवेदेष सफला स्यात्स्पृहा तव
rājasūyaṃ kratuśreṣṭhaṃ spardhatyeṣa mahākratuḥasmākaṃ rocate caiva śreyaśca tava bhārataavighnaśca bhavedeṣa saphalā syātspṛhā tava
Our plain-language meaning of this verse is waiting for scholar review.