Alpine Butterfly

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1. 1

   Start in the middle

   Keep both ends outside the working area. Form the knot in the middle of the rope.
2. 2

   Lift a bight

   Lift the middle into an open bight.
3. 3

   Twist once

   Twist the bight to form the first opening.
4. 4

   Twist again

   Twist in the same direction to make two stacked openings.
5. 5

   Fold the top loop behind

   Carry the upper closed fold behind the lower opening.
6. 6

   Go around the lower loop

   Pass outside both sides of the lower opening.
7. 7

   Bring the fold below

   Carry the closed fold below the standing line.
8. 8

   Return in front of the opening

   Bring the fold toward the front of the lower central opening.
9. 9

   Pass through the middle

   Draw the closed fold through the original lower opening from front to back.
10. 10

    Extend the loop

    Draw the closed bight upward.
11. 11

    Dress the butterfly

    Draw the loop upward and the standing parts outward as the collars gather.
12. 12

    Inspect the route

    The same rope forms two opposite standing parts and an upper loop.