Crochet Instructions for Unique Stitch Patterns

Introduction
The quantity of stitches is a multiple of 19.
Row Instructions
1st Row
Skip 3 chains, double crochet (dc), and dc into each chain to the end of the row, then turn.
2nd Row (RS)
1 treble (tr) with right front (rf) around the first stitch, followed by 1 dc into the next stitch. Skip the next 3 stitches, then work 1 double treble (dtr) into each of the next 3 stitches.
Going behind the last 3 dtrs, work 1 dtr into each of the 3 stitches just skipped, followed by 1 dc into the next stitch. Next, work 1 tr/rf around the next stitch and 1 dc into the next stitch. Skip the next 3 stitches again, then work 1 dtr into each of the next 3 stitches. Going to the front of the last 3 dtrs but not catching them, work 1 dtr into each of the 3 stitches just skipped, followed by 1 dc into the next stitch and 1 tr/rf around the next stitch.3rd Row
1 tr with right back (rb) around the first stitch, followed by 1 dc into the next stitch. Skip the next 3 stitches, then work 1 dtr into each of the next 3 stitches. Going behind the last 3 dtrs, work 1 dtr into each of the 3 stitches just skipped, followed by 1 dc into the next stitch. Next, work 1 tr/rb around the next stitch and 1 dc into the next stitch. Skip the next 3 stitches, then work 1 dtr into each of the next 3 stitches. Going to the front of the last 3 dtrs but not catching them, work 1 dtr into each of the 3 stitches just skipped, followed by 1 dc into the next stitch and 1 tr/rb around the next stitch.
Final Steps
Repeat the 1st and 2nd rows as necessary.