Rainbow Crochet Zigzag Stitch
Crocheting is made through back arch of sts.
1st row: cast on the needed quantity of chain sts;
2nd row: 1 chain st, * 1 single crochet in the first 4 sts, 3 single crochets in the next st, 1 single crochet in the next 4 sts, skip 2 sts*; repeat from * to *;
3rd row: 1 chain st, skip 1st st, * 1 single crochet in the next 4 sts, 3 single crochets in the next st, 1 single crochet in the next 4 sts, skip 2 sts*; repeat from * to *, leave the last st uncrocheted, turn.
4th row: as 3rd row;
5th row: with the help of slip sts, skip 3 sts, 6 chain sts, 1 triple treble crochet in the next 2 sts, 3 triple treble crochets in the next st, 1 triple treble crochet in the next 3 sts, skip 4 sts, * 1 triple treble crochet in the next 3 sts, 3 triple treble crochets in the next st, 1 triple treble crochet in the next 3 sts, skip 4 sts*; repeat from * to *, skip the last 2 sts.
Repeat 2nd-5th rows for forming the ornament.