Mahabharata 8.33.42
ततो युधिष्ठिरानीकं दृष्ट्वा कर्णः पराङ्मुखम्कुरुभिः सहितो वीरैः पृष्ठगैः पृष्ठमन्वयात्
tato yudhiṣṭhirānīkaṃ dṛṣṭvā karṇaḥ parāṅmukhamkurubhiḥ sahito vīraiḥ pṛṣṭhagaiḥ pṛṣṭhamanvayāt
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book