CO in multiples of 6 (even number of stitches)
Row 1 (RS): P1 *K4, P2* K4, P1
Row 2 (WS): K1 *P4, K2* P4, K1
Row 3 (RS): P1 *C4B, P2* C4B, P1
Row 4 (WS): K1 *P4, K2* P4, K1
Row 5 (RS): P1 *K4, P2* K4, P1
Row 6 (WS): K1 *P4, K2* P4, K1
Row 7 (RS): P1 *C4F, P2* C4F, P1
Row 8 (WS): K1 *P4, K2* P4, K1
Repeat rows 1-8, until desired length.