Mahabharata 177.36

षड्ज ऋषभगान्धारौ मध्यमः पञ्चमस्तथा
धैवतश्चापि विज्ञेयस्तथा चापि निषादकः

Shadja rishabhagandharau madhyamah panchamastatha
Dhaivatashchapi vigyeyastatha chapi nishadakah