Shiva Purana
आनीय हृद्यं पाषाणं शून्ये तु शिविरांतरे ॥ अविदूरे स्वशिबिराच्छिवलिगं स भक्तितः ॥ २२॥
Bring the heart stone to the empty space between the camps. Not far from his camp he worshiped Lord Shiva with devotion.
english translation
AnIya hRdyaM pASANaM zUnye tu zivirAMtare ॥ avidUre svazibirAcchivaligaM sa bhaktitaH ॥ 22॥
hk transliteration by Sanscript