UK / US crochet term:

Chain stitch – ch

Double crochet / Single crochet – dc/sc

Half treble / half double crochet – htr/hds

Treble / Double crochet – tr / dc

Double treble / Treble – dtr/tr

Stitch – st

Foundation Chain: Multiples of 16 + 2

Row 1: Skip 1ch, work 1dc/sc in each of next ch, turn.

Row 2: Make 1ch, 1dc/sc in first dc/sc below, * 1dc/sc in next, 1ch, skip 1st, 1htr/hdc in next, 1ch, skip 1st, 1tr/dc in next, 1ch, skip 1st, 1dtr/tr in next, 1ch, skip 1st, 1dtr/tr in next, 1ch, skip 1st, 1tr/dc in next, 1ch, skip 1st, 1htr/hdc in next, 1ch, skip 1ch, 1dc/sc in each of next 2sts; rep from *, turn.

Row 3: Make 1ch, work 1dc/sc in each in stitch (dc/sc, htr/hdc, tr/dc, dtr/tr) and space of 1ch. Turn.

Row 4: Make 1ch, work 1dc/sc in back loop only of each dc/sc below, turn.

Row 5: Make 5ch, * 1dtr/tr in next, 1ch, skip 1st, 1tr/dc in next, 1ch, skip 1st, 1htr/hdc in next, 1ch, skip 1st, 1dc/sc in each of next 3sts, 1ch, skip 1st, 1htr/hdc in next, 1ch, skip 1st, 1tr/dc in next, 1ch, skip 1st, 1dtr/tr in next, 1ch, skip 1st; rep from *, work 1dtr/tr in last dc/sc instead 1ch at the end of row, turn.

Row 6: Make 1ch, work 1dc/sc in each in stitch (dtr/tr, tr/dc, htr/hdc, dc/sc) and space of 1ch. Turn.

Row 7: Make 1ch, work 1dc/sc in back loop only of each dc/sc below, turn.

Repeat rows 2 – 7 until you have reached your desired length.

Colors & rows: * 1, 2 & 3 – dark blue; 4, 5 & 6 – white; 7, 8 & 9 – light blue *

Color combination with dark background

Colors & rows: * 1 – cyan; 2 – dark blue; 3 & 4 – lime; 5 – dark blue, 6 & 7 – apricot, 8 – dark blue; 9 & 10 – light blue; 11 – dark blue; 12 – cyan *

Color combination with "rainbow gradient"