Ramayana
शिरोभिः पृथुभिः सर्पा व्यक्तस्वस्तिकलक्षणैः । वमन्तः पावकं घोरं ददंशुर्दशनैः शिलाः ॥ ५-१-१९
The snakes spread out their broad hoods manifesting swastika marks on them and bit the rocks with their fangs pouring out terrible fire. ॥ 5-1-19॥
english translation
zirobhiH pRthubhiH sarpA vyaktasvastikalakSaNaiH । vamantaH pAvakaM ghoraM dadaMzurdazanaiH zilAH ॥ 5-1-19
hk transliteration by Sanscript