Stitch pattern of mosaic knitting with two colors

On my needles now I am experimenting with a pattern of mosaic knitting of two colors.
This stitch is good for knitting hats or a sweater.
With Color B cast on 49 stitches and knit 1 Row.
Row 1: (wrong side) With B purl.
Rows 2 and 4: With C knit.
Rows 3 and 5: With C purl.
Row 6: With B knit 2, * drop next stitch from needle and unravel 4 Rows down, picking up the B stitch from Row 1 below, insert needle into this stitch and under the 4 loose strands of C and knit catching the 4 loose strands behind stitch, knit 3 * . Repeat between * * until 2 stitches remain, knit 2.
Row 7: With B purl.
Rows 8 and 10: With C knit.
Rows 9 and 11: With C purl.
Row 12: With B knit 4, drop next stitch, unravel and knit B stitch from 5th Row below as in Row 6, knit 3 * . Repeat between * * until 1 stitch remains, knit 1.
Repeat Rows 1-12 for pattern until piece measures 11” from beginning. Bind off.