Grandma Smith's Crochet - "Annalisa" pillowcase lace

DMC cotton #30, steel crochet hook size 10



R1: ch 19, turn
R2: 1 dc in 9th ch from hook, 1 dc in ea of next 3 ch, ch 2, sk 2 ch, 1 dc in next ch, ch 2, sk 2 ch, 3 dc in next ch, ch 2, 3 dc in next ch, ch 3, turn
R3: in 1st ch-2 sp (3 dc, ch 2, 3 dc); ch 2, 1 dc in next dc, ch 2, 1 dc in ea of next 4 dc, ch 2, sk 2 ch, 1 dc in next ch, ch 5, turn
R4: 1 dc in ea of next 4 dc, ch 2, 1 dc in next dc, ch 2; in last ch-2 sp (3 dc, ch 2, 3 dc); ch 3, turn
R5: in 1st ch-2 sp (3 dc, ch 2, 3 dc); ch 2, 1 dc in next dc, ch 2,1 dc in ea of next 4 dc, ch 2, sk 2 ch, 1 dc in next ch, ch 5, turn

Repeat R4 & R5 for the length desired.