Shiva Purana
चवर्गं च तथा वामहस्तसंधिषु विन्यसेत् ॥ टवर्गं च तवर्गं च पादयोरुभयोरपि ॥ २७ ॥
Similarly, place the four squares on the joints of the left hand. The tavarga and tavarga are also used on both the legs.
english translation
cavargaM ca tathA vAmahastasaMdhiSu vinyaset ॥ TavargaM ca tavargaM ca pAdayorubhayorapi ॥ 27 ॥
hk transliteration by Sanscript