This pattern can be adapted to circular knitting by knitting all the odd numbered rows.
Repeat Rows 1 - 16.

Row #SideBegin RowRepeatRepeat From *End Row
1W*purl* 
2Rk5*k2-tog, yo, k9*k5
3W*purl* 
4Rk4*(k2-tog, yo) twice, k7*k4
5W*purl* 
6Rk3*(k2-tog, yo) 3 times, k5*k3
7W*purl* 
8Rk2*(k2-tog, yo) 4 times, k3*k2
9W*purl* 
10Rk1*(k2-tog, yo) 5 times, k1* 
11W*purl* 
12Rk2*(k2-tog, yo) 4 times, k3*k2
13W*purl* 
14Rk3*(k2-tog, yo) 3 times, k5*k3
15W*purl* 
16Rk4*(k2-tog, yo) twice, k7*k4

 



  Row: 16
Row: 15  
  Row: 14
Row: 13  
  Row: 12
Row: 11  
  Row: 10
Row: 9  
  Row: 8
Row: 7  
  Row: 6
Row: 5  
  Row: 4
Row: 3  
  Row: 2
Row: 1