Materials
16 (17, 18, 19, 20) balls x Patons 101 for either patterned version or,
15 (16, 17, 17, 18, 19) balls for the stocking stitch version.
7 buttons.

Green cardigan is stocking stitch.
Light grey cardigan is 6 row pattern with 2 rows ribbed.
Brown cardigan (his) 4 row pattern with 2 rows ribbed.