22 - 15 interlaced dots (Idukku Pulli) Kolam.
Start with 22 dots and stop at 15 by putting interlaced dots. Then increase the interlaced dots to 16, 17 etc and stop at 22. Then put 7, 6, 5, 4, 3, 2, 1 interlaced dots on top and bottom sides as shown above.
Join dots as shown above and draw thick line. Erase the remaining dots. Leave as it is or put dots in the middle of the kolam. Fill with desired colour powders or simply put "Kavi" around the lines.