20 dots (Ner Pulli) Kolam.
Put 20 dots 2 times, leaving 1 dot at both ends, put 18 dots then 16 dots, 14 dots (3 times) then 12 dots. Leaving 3 dots at both ends put 6 dots then 4 dots stop at 2 dots as shown below.
Draw kolam as shown below.
Draw the above pattern at other three corners.
Draw the above pattern from right to left.
Erase remaining dots. Put middle dot and circle it.
Color the kolam.