Butterfly pattern

I have no idea where this pattern came from or who it belongs to. If there is a copyright issue, please let me know!

Instructions:

R: (3ds p) 7 times, 5ds p 5ds close
R: 5ds j to last p of prev R, 4ds p 2ds p 4ds p 4ds close
R: 4ds j to last p of prev R, 4ds p 2ds p 4ds p 5ds close
R: 5ds j to last p of prev R, 5ds p (3ds p) 5 times 3ds j to first p of first R, 3ds
Tie ends and cut to 1" length