Beautiful multicolored wavy pattern

A beautiful multicolored wavy pattern knitted is used for blankets, pullovers, skirts

To knit the wavy pattern, cast on a number of stitches that is a multiple of 18. Row 1: *(K2tog) 6 times, (yo, K1) 6 times, repeat from *. Row 2: knit. Row 3: purl. Row 4: knit. Rows 5-8: repeat rows 1-4. Rows 9-11: repeat rows 1-3. Change yarn color. Rows 12-14: knit. Change yarn color. Repeat rows 1-14 for the pattern