Shown with a cast-on count of 57 stitches.  

• Rows 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20 (RS): K1, [brSl, k1] 28 times.
• Row 1: BrSl, k3tog, [[brSl, k1] 5 times, brSl, 1-to-5 inc, brSl, k5tog] twice, [brSl, k1] 5 times, brSl, 1-to-5 inc, brSl, k3tog, brSl.
• Rows 3 and 19: BrSl, k3tog, [[brSl, k1] 4 times, brSl, 1-to-5 inc, brSl, k1, brSl, k5tog] twice, [brSl, k1] 4 times, brSl, 1-to-5 inc, brSl, k1, brSl, k3tog, brSl.
• Rows 5 and 17: BrSl, k3tog, [brSl, [k1, brSl] 3 times, 1-to-5 inc, [brSl, k1] twice, brSl, k5tog] twice, brSl, [k1, brSl] 3 times, 1-to-5 inc, [brSl, k1] twice, brSl, k3tog, brSl.
• Rows 7 and 15: BrSl, k3tog, [brSl, [k1, brSl] twice, 1-to-5 inc, [brSl, k1] 3 times, brSl, k5tog] twice, brSl, [k1, brSl] twice, 1-to-5 inc, [brSl, k1] 3 times, brSl, k3tog, brSl.
• Rows 9 and 13: BrSl, k3tog, [brSl, k1, brSl, 1-to-5 inc, [brSl, k1] 4 times, brSl, k5tog] twice, brSl, k1, brSl, 1-to-5 inc, [brSl, k1] 4 times, brSl, k3tog, brSl.
• Row 11: BrSl, k3tog, [brSl, 1-to-5 inc, [brSl, k1] 5 times, brSl, k5tog] twice, brSl, 1-to-5 inc, [brSl, k1] 5 times, brSl, k3tog, brSl.