spectre tile Z edge doodle

Inspired by the discussion here: https://www.ravelry.com/discuss/woolly-thoughts/4250771/26-50#44 - this is one possible way of handling the Z curve visible in the edges of the middle tile

Shown with a cast-on count of 4 stitches.   Getting chart...

  • Rows 1, 5, 7, 11, and 13 (RS): Knit.
  • Rows 2, 4, 8, 10, and 14: Purl.
  • Row 3: K2tog, knit (3 sts).
  • Row 6: Purl to last st, pfb (4 sts).
  • Row 9: Kfb, knit (5 sts).
  • Row 12: Purl to last 2 sts, p2tog (4 sts).
  • Row 15: BO 3 sts (1 st).