Cast on with color A and knit two rows.
Colors A and B.
Repeat Rows 1 - 16.
Row #SideColorBegin RowRepeatRepeat From *End Row
1RBk2*sl 1 wyib, k1, (k1, yo, k1, yo, k1) in next stitch, k1*sl 1 wyib, k2
2WBk2*sl 1 wyif, k1, k5 wrapping yarn twice for each stitch, k1*sl 1 wyif, k2
3RAk4*sl 5 wyib dropping extra wraps, k3*k1
4WAk4*sl 5 wyif, k3*k1
5RAk4*sl 5 wyib, k3*k1
6WAk4*sl 5 wyif, k3 *k1
7RAk4*k5-tog-b, k3*k1
8WA*knit* 
9RBk2*(k1, yo, k1, yo, k1) in next stitch, k1, sl 1 wyib, k1*(k1, yo, k1, yo, k1) in next stitch, k2
10WBk2*k5 wrapping yarn twice for each stitch, k1, sl 1 wyif, k1*k5 wrapping yarn twice for each stitch, k2
11RAk2*sl 5 wyib dropping extra wraps, k3*k2
12WAk2*sl 5 wyif, k3*k2
13RAk2*sl 5 wyib, k3*k2
14WAk2*sl 5 wyif, k3 *k2
15RAk2*k5-tog-b, k3*k2
16WA*knit*