Repeat rows 1 - 8.
Row #SideBegin RowRepeatRepeat From *End Row
1W*purl* 
2R*(k2-tog) 3 times, (yo, k1) 6 times, (k2-tog) 3 times* 
3Wk15*p6, k12*k3
4Rk15 *slip next 3 stitches to dpn and hold in back, k3, then k3 from dpn; k12 *k3
5W*purl * 
6R*(k2-tog) 3 times, (yo, k1) 6 times, (k2-tog) 3 times * 
7Wk15*p6, k12 *k3
8R*knit*