Hello! Yes I thought that as soon as I posted it...
OK, this is what follows:
"Join pieces together on the next row as follows:
11th row: Cast on 2 sts at beg, k19sts, inc 1st in the next st, inc 2sts at the end (41)
12th row: Cast on 2sts at beg, inc 2sts at end..."
And on it goes...