ABBREVIATIONS (US TERMS): sl-st slip stitch, ch chain, sc single crochet, hdc half-double crochet, dc double crochet, tr treble crochet, bp back post, fp front post, st stitch, sts stitches.
FINAL SIZE: 120×120 cm / 47×47 inches with 4 mm hook and 3 weight / DK yarn. 140×140 cm / 55×55 inches with 5 mm hook and weight 4 yarn / worsted.
ROUND 71. Join with a standing sc in ch 1 space (R71.1), ( bpsc around next 177 sts, in ch1 space (sc, ch1, sc)(R71.2)) 4 times. Omit last sc. Join to standing sc with a sl-st. (R71.3)
Stitch count: 708 bpsc, 8sc, 4 ch1 spaces
ROUND 72. ch2 (does not count), dc in same st (R72.1), dc in next 178 sts, ( in ch1 space (2dc, ch1, 2dc) (R72.2), dc in next 179 sts ) 3 times, in ch1 space (2dc, ch1, 2dc). Join to 1st dc with a sl-st, fasten off, secure ends. (R72.3)
Stitch count: 732 dc, 4 ch1 spaces
ROUND 73. In this round you will be working in round 70 stitches. Join with a standing dc in ch1 space, between 2sc of round 71 (R73.1), dc in same space (R73.2), ( dc in next 177 sts (R73.4), in ch1 space between 2sc of round 71 (2dc, ch1, 2dc) (R73.5)) 4 times. Omit last 2dc. Join to standing dc with a sl-st, fasten off, secure ends. (R73.6)
Stitch count: 724 dc, 4 ch1 spaces
ROUND 74. In this round you will be joining stitches of round 72 and round 73. Join with a standing sc in ch1 spaces of both rounds (R74.1)(R74.2), sc in same ch1 space of round 73 and 1st dc of round 72 (R74.3)(R74.4). ( sc in next st of round 72 and 73 181 times, sc in ch1 space of round 73 and last dc before ch1 space of round 72, sc in ch1 spaces of both rounds, sc in same ch1 space of round 73 and 1st dc of round 72 (R74.5) ) 4 times. Omit last 2 sc. Join to standing sc with a sl-st, fasten off, secure ends.
Stitch count: 736 sc