(https://friendstamilchat.in/forum/proxy.php?request=http%3A%2F%2Fi1027.photobucket.com%2Falbums%2Fy338%2Fjimikki%2F17-1.jpg&hash=8cfd3d954fa79fd7d8de5e5c8998a840250676bf)
21 - 11 interlaced dots (Idukku Pulli) Kolam
(https://friendstamilchat.in/forum/proxy.php?request=http%3A%2F%2Fi1027.photobucket.com%2Falbums%2Fy338%2Fjimikki%2F18-1.jpg&hash=d95232ea46bb3f996a6c98adde3d4430281a82b2)
Start with 21 dots in the center and stop at 11
by putting interlaced dots at both sides as shown above.
(https://friendstamilchat.in/forum/proxy.php?request=http%3A%2F%2Fi1027.photobucket.com%2Falbums%2Fy338%2Fjimikki%2F19-1.jpg&hash=d44008befffa7f8f01805b71db2b283007542bdc)
Join dots as shown in the above picture.
Draw thick lines and fill with desired colour powders.