Simple basketweave!!
Cast on 115 stitches.
(k1, p1), repeat ( ) all across ending with k1 for 6 rows.
(RS): (k1, p1, k1, p1, k1), k15, p15, k15, p15, k15, p15, k15, repeat ( )
(WS): k1, p1, k1, p1, k1, p15, k15, p15, k15, p15, k15, p15, k1, p1, k1, p1, k1
Repeat these 2 rows for 18 rows then changing the pattern.

(RS): (k1, p1, k1, p1, k1), p15, k15, p15, k15, p15, k15, p15, repeat ( )
(WS): k1, p1, k1, p1, k1, k15, p15, k15, p15, k15, p15, k15, k1, p1, k1, p1, k1
Repeat these rows for 18 rows again.

These 4 rows are the pattern, you can knit them as much as you need.
Don’t forget finishing with k1, p1…k1 for 6 rows!
I wrote this for your request, have fun (: