Mahabharata 1.222.10

शार्ङ्गका ऊचुःन विद्म वै वयं मातर्हृतमाखुमितः पुराअविज्ञाय न शक्ष्यामो बिलमाविशतुं वयम्

śārṅgakā ūcuḥna vidma vai vayaṃ mātarhṛtamākhumitaḥ purāavijñāya na śakṣyāmo bilamāviśatuṃ vayam

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