Mahabharata 3.255.55
ततोऽभ्यधावतां वीरावुभौ भीमधनंजयौहताश्वं सैन्धवं भीतमेकं व्याकुलचेतसम्
tato'bhyadhāvatāṃ vīrāvubhau bhīmadhanaṃjayauhatāśvaṃ saindhavaṃ bhītamekaṃ vyākulacetasam
Our plain-language meaning of this verse is waiting for scholar review.