Cast on 21 stitches.

Knit the first 4 Rows.

On every even row, knit.

R5: k3, p15, k3.

R7: k3, p6, k3, p6, k3.

R9-13: k3, p5, k5, p5, k3.

R15-29: k3, p6, k3, p6, k3.

R31: k3, p4, k7, p4, k3.

R33: k3, p3, k9, p3, k3.

R35: k3, p1, k3, p1, k2, p1, k2, p1, k3, p1, k3.

R37: k3, p1, k1, p3, k2, p1, k2, p3, k1, p1, k3.

R39-73: k3, p5, k2, p1, k2, p5, k3.

R75 and 77: k, 3, p5, k5, p5, k3.

R79 and 81: k3, p6, k3, p6, k3.

R83 and 85: k3, p7, k1, p7, k3.

R87: K3, p15, k3.

Now knit 4 more rows and cast off.