These socks have a twist: each sock is the result of the coding of a date. You may knit identical socks by using the same date for each sock. Or you may knit fraternal socks, with each sock embedding a different date. Depending on which quarter the chosen date falls into, the sock features a different lace pattern. The other details (which month in that quarter, the day, the year) are coded with texture. And I remain with this question: was Ada Lovelace a knitter? SizingTo fit foot circumference (measured around ball of foot):X-Small ― 18 cm (7 in),Small ― 20 cm (8 in),Medium ― 23 cm (9 in),Large ― 25.5 cm(10 in)] Yarn requirement400metres of 4ply/fingering weight wool Needles and Notions 2.25 mm (US 1) needles (circ. or DPNs) - Or size required to achieve gauge. Spare needles (same size or one size smaller) Cable needle Darning needle Stitch markers Waste yarn and crochet hook Gauge36 sts and 52 rows / 10cm (4 in) measured over stockinette in the round.