Mahabharata 1.109.5

वैशंपायन उवाच · vaiśaṃpāyana uvāca

राजा पाण्डुर्महारण्ये मृगव्यालनिषेवितेवने मैथुनकालस्थं ददर्श मृगयूथपम्

rājā pāṇḍurmahāraṇye mṛgavyālaniṣevitevane maithunakālasthaṃ dadarśa mṛgayūthapam

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