Rep the last 6 rows till there are 52 sts, ending with a RS row (row 76 77). Work straight in patt as set till another 130 135 rows have been completed. Work decs as follows...

Row 261 (WS) (dec): K1, k2tog, k to marker, SM, (Flame Stitch row 15 21) across all sts to marker, SM, k to last 3 sts, k2tog, k1. 42 sts.
Work 5 rows straight in patt as set.
Rep these 6 rows 3 more times. 36 sts.
Row 285 (WS) (dec): K2tog, (Flame Stitch row 15 21) across all sts to last 2 sts, k2tog. 34 sts.