Mayamatam 9.54

9.54

athavā śrīvatsādikamupanetavyaṃ tuvinyāsam
sarveṣāṃ grāmāṇāṃ nābhiṃ na protayenmatimān

Or else the layout should be made in the shape of a śrīvatsa or the like. / The wise man should never pierce the navel of any village.