Shown with a cast-on count of 50 stitches.  

• Rounds 1-17: K50.
• Round 18: K12, yo, k2, yo, k23, yo, k2, yo, k11 (54 sts).
• Round 19: K13, yo, k2, yo, k25, yo, k2, yo, k12 (58 sts).
• Round 20: K14, yo, k2, yo, k27, yo, k2, yo, k13 (62 sts).
• Round 21: K15, yo, k2, yo, k29, yo, k2, yo, k14 (66 sts).
• Round 22: K16, yo, k2, yo, k31, yo, k2, yo, k15 (70 sts).
• Round 23: K17, yo, k2, yo, k33, yo, k2, yo, k16 (74 sts).
• Round 24: K18, yo, k2, yo, k35, yo, k2, yo, k17 (78 sts).
• Round 25: K19, yo, k2, yo, k37, yo, k2, yo, k18 (82 sts).
• Round 26: K20, yo, k2, yo, k39, yo, k2, yo, k19 (86 sts).
• Round 27: K21, yo, k2, yo, k41, yo, k2, yo, k20 (90 sts).
• Round 28: K22, yo, k2, yo, k43, yo, k2, yo, k21 (94 sts).
• Round 29: K23, yo, k2, yo, k45, yo, k2, yo, k22 (98 sts).
• Round 30: K24, yo, k2, yo, k47, yo, k2, yo, k23 (102 sts).
• Round 31: K25, yo, k2, yo, k49, yo, k2, yo, k24 (106 sts).
• Round 32: K26, yo, k2, yo, k51, yo, k2, yo, k25 (110 sts).
• Round 33: K27, yo, k2, yo, k53, yo, k2, yo, k26 (114 sts).
• Round 34: K28, yo, k2, yo, k55, yo, k2, yo, k27 (118 sts).
• Round 35: K29, yo, k2, yo, k57, yo, k2, yo, k28 (122 sts).
• Round 36: K30, yo, k2, yo, k59, yo, k2, yo, k29 (126 sts).
• Round 37: K31, yo, k2, yo, k61, yo, k2, yo, k30 (130 sts).
• Round 38: K32, yo, k2, yo, k63, yo, k2, yo, k31 (134 sts).
• Round 39: K33, yo, k2, yo, k65, yo, k2, yo, k32 (138 sts).
• Round 40: K34, yo, k2, yo, k67, yo, k2, yo, k33 (142 sts).
• Round 41: K35, yo, k2, yo, k69, yo, k2, yo, k34 (146 sts).
• Round 42: K36, yo, k2, yo, k71, yo, k2, yo, k35 (150 sts).
• Round 43: K37, yo, k2, yo, k73, yo, k2, yo, k36 (154 sts).
• Round 44: K38, yo, k2, yo, k75, yo, k2, yo, k37 (158 sts).
• Round 45: K39, yo, k2, yo, k77, yo, k2, yo, k38 (162 sts).
• Round 46: K40, yo, k2, yo, k79, yo, k2, yo, k39 (166 sts).
• Round 47: K41, yo, k2, yo, k81, yo, k2, yo, k40 (170 sts).
• Round 48: K42, yo, k2, yo, k83, yo, k2, yo, k41 (174 sts).
• Round 49: K43, yo, k2, yo, k85, yo, k2, yo, k42 (178 sts).
• Round 50: K44, yo, k2, yo, k87, yo, k2, yo, k43 (182 sts).