English version available here. Direct link to Japanese pattern PDF. Both English and Japanese versions are fully charted using standard knitting and/or crochet symbols.

Materials

• Japanese size 4 knitting needles (3.3mm), both straight and circular
• Japanese size 4/0 crochet hook (2.5mm)

Gauge: in both pattern stitch A and B, 35 st and 42 rows in 10cm square

Note: matching cardigan (not shown in photo) can be found here.