Three colour brioche, RS rows
Right side rows follow the pattern:
brk, sl1yo, sl1dyo, brp, sl1yo, sl1dyo.
You can remember the sequence by counting
brioche stitch, 1, 2, brioche stitch, 1, 2
where the numbers indicate the number of yarns involved in each stitch.
Three colour brioche, WS rows
Wrong side rows follow the pattern:
sl1dyo, sl1yo, brk, sl1dyo, sl1yo, brp
You can remember the sequence by counting
2, 1, brioche stitch, 2, 1, brioche stitch
where the numbers indicate the number of yarns involved in each stitch.