Notes:

CO 58 sts on 2.5 mm

k 2 rows on 2.5mm

k 10 rows on 2mm

1 row YO, k2tog

incr: k5, incr, k10, incr, k9, incr, k10, incr, k9, incr, k10, incr, k5 (-> 64 sts)