Colors A, B and C.
Repeat Rows 1 - 6.
Row #SideColorBegin RowRepeatRepeat From *End Row
1WA*purl* 
2RBk1, sl 1 wyib*k2, sl 2 wyib*k2, sl 1, k1
3WBp1, sl 1 wyif*p2, sl 2, wyif*p2, sl 1, p1
4RA*knit* 
5WCp2*sl 2 wyif, p2* 
6RCp2*sl 2 wyib, k2*