hi
can any one help in with this step . i am unable to understand it

cast on 76[76, 92, 92, 92, 108, 108] sts. Work the following six rounds for the collar:
Rnd 1: Work in seed stitch, placing markers after each set of sts as follows: 9[9, 13, 13, 13, 17, 17] sts for first sleeve, pm, 29[29, 33, 33, 33, 37, 37] sts for the front, pm, 9[9, 13, 13, 13, 17, 17] sts for second sleeve, pm, 29[29, 33, 33, 33, 37, 37] sts for the back. If using a shorter circular to work in the round, place a 4th marker for the beginning of the round.
Rnd 2: * Kfb, work in seed stitch to one st before marker, kfb, slip marker (sm), repeat from * around: 84[84, 100, 100, 100, 116, 116] sts.
Rnds 3-6: Repeat Rnds 1 and 2, twice: 100[100, 116, 116, 116, 132, 132] sts.

thank u for your help in advance

thanku
sameera