Mahabharata 13.14.36

अचिन्त्यं मनसाप्यन्यैः सरोभिः समलंकृतम्विशालैश्चाग्निशरणैर्भूषितं कुशसंवृतम्

acintyaṃ manasāpyanyaiḥ sarobhiḥ samalaṃkṛtamviśālaiścāgniśaraṇairbhūṣitaṃ kuśasaṃvṛtam

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