Fan trellis stitch

Multiple of 12+11
(add 1 for base chain)

First row (wrong side) 1sc into second ch from hook,* 5ch, skip 3ch, 1sc into next ch; rep from* to last 2ch, 2ch , skip 1 ch, 1dc into last ch, turn.

Second row: 1ch, 1sc into first st, skip 2ch sp,* 7dc into next 5ch arch, 1sc into next arch**,5ch, 1sc into next arch; rep from* ending last rep at **2ch, 1tr into last sc, skip tch, turn.
Third row: 1ch, 1sc into first st,* 5ch, 1sc into 2 nd of next 7dc, 5ch, 1sc into 6 th dc of same group**, 5ch, 1sc into next 5ch arch,; rep from* ending last rep at ** , 2ch, 1tr, into last sc skip tch, turn.

Rep second and third row.