This pattern is very easy. For an example of pattern need to cast on number of stitches multiple 12, plus 6 stitches for the symmetry of the pattern, plus 2 edge stitches.
Row 1, 3, 7 and 9: all knits;
Row 2 and all wrong side: continue working on the pattern. Make the loops same as they are on the needle: knit the knit stitches and purl the purl stitches;
Row 5: * purl 6, knit 6 *, purl 6;
Row 11: * knit 6, purl 6 *, knit 6;
Row 13: knit as Row 1 and so on.
Pattern Chart Symbols
A classical knit on right side, unless in the pattern description states otherwise. On wrong side so are indicated purl stitch.
A classical purl on right side, unless in the pattern description states otherwise. On wrong side so are indicated knit stitch.
We recommend looking at:
How to Knit Charted Patterns with Needles
Symbols for Stitches and Knitting Techniques
In Section Knitting Stitch Patterns
In Section Crochet Stitch Patterns