Shown with a cast-on count of 47 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, and 23 (RS): *BrSl, k1, repeat from * to last st, brSl.
• Row 2: K1, brSl, k1, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, brSl, k1 (49 sts).
• Row 4: K1, [brSl, k1] twice, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, brSl, k1 (51 sts).
• Row 6: K1, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, brSl, k1 (53 sts).
• Row 8: K1, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] twice (55 sts).
• Row 10: K1, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times (57 sts).
• Row 12: K1, [brSl, k1] twice, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times (55 sts).
• Row 14: K1, brSl, k1, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times (53 sts).
• Row 16: K1, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times (51 sts).
• Row 18: K1, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times (49 sts).
• Row 20: K1, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] twice (47 sts).
• Row 22: K1, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, brSl, k1 (45 sts).
• Row 24: K1, brSl, (k1, yo, k1) in next st, [brSl, k1] 4 times, brSl, (k1, yo, k1) in next st, [brSl, k1] 3 times, brSl, sl1-k2tog-psso, [brSl, k1] 4 times, brSl, sl1-k2tog-psso, [brSl, k1] 3 times, brSl, (k1, yo, k1) in next st, brSl, k1 (47 sts).