Mahabharata 3.278.11

नारद उवाच · nārada uvāca

अहो बत महत्पापं सावित्र्या नृपते कृतम्अजानन्त्या यदनया गुणवान्सत्यवान्वृतः

aho bata mahatpāpaṃ sāvitryā nṛpate kṛtamajānantyā yadanayā guṇavānsatyavānvṛtaḥ

Our plain-language meaning of this verse is waiting for scholar review.