Matsya Purana 256.12

256.12

pradakṣiṇañca kurvīta vāstoḥ padavilekhanam.
tarjanī madhyamā caiva tathāṅguṣṭhastu dakṣiṇe .. 256.12

If there be any defect, then to make up for the deficiency the Vâstu Deva should be appeased by performing five fold Vâstujajna a string should be drawn in the N E pillar is to be then fixed in S E, the house should be circumbulated, and foot prints of Vastu should be written by the forefinger, thumb, middle finger with young shoot gems and gold waters This is the best—11-13