Shiva Purana
त्रिवारं पृथिवीं सर्वां क्रम पापं प्रकाशयन् ॥ पुनरागत्य चात्रैव चर मासव्रतं तथा ॥ ५१ ॥
Go round the earth three times announcing your sin. After returning to this place perform the holy Vrata for a month.
english translation
trivAraM pRthivIM sarvAM krama pApaM prakAzayan ॥ punarAgatya cAtraiva cara mAsavrataM tathA ॥ 51 ॥
hk transliteration by Sanscript