Start with turkish cast on 10sts on each needle.
Toe increases in every row until there is 20 sts on each needle. After that increaces in every other row until there is 30 sts on each needle, 60 sts all together.

Continued with stockinette stich 11 rows (10 visible rows and one on the needles) before starting with stripes. ( 4 row stripes)

Five stripes in contrast color and 1 row with main color before staring the gusset increases.