Mahabharata 7.131.47

द्वाभ्यां तु रथयन्तारं त्रिभिश्चास्य त्रिवेणुकम्धनुरेकेन चिच्छेद चतुर्भिश्चतुरो हयान्

dvābhyāṃ tu rathayantāraṃ tribhiścāsya triveṇukamdhanurekena ciccheda caturbhiścaturo hayān

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