After 25 cm from the sleeve start, bind off all stiches.
Cast on 76 stiches for size 12 US / 42 ITA and do the stockinette stich for 12 rows in total ( 5 cm).
After 5 cm start che rib 2X2 but on the central 26 stiches are to include the simple braid this way:
1st row : 2 purl, 6 knit, 2 purl, 6 knit, 2 purl,6 knit, 2 purl, then continue with the 2X2 Rib.
2nd row and all even: knit and purl stiches as they come.
3rd row : 2 purl, *slip 3 knit to the front and knit 3 following stiches, knit the 3 stiches you slipped*, 2 purl, from * to *, 2 purl, from * to *, 2 purl, end up with rib 2X2.
5th row: like the 1st row.
7th row: like the 1st row.
co: Cast on
bo /co Bind off /cast off
rs: Right side
ws: Wrong side