This is just a sample DUDE.
See attached image.
4pass spanish ring knot.

From 1 . . . . . . . . to 2
From 2 . . . . . . . . to 3
From 3 . . . . . . . . to 4
From 4 O . . . . . . . to 5
From 5 O . . . . . . . to 6
From 6 O O . . . . . . to 7
From 7 O O . . . . . . to 8
From 8 O O O . . . . . to 9
From 9 O O O . . . . . to 10
From 10 O O O O . . . . to 11
From 11 O O O O . . . . to 12
From 12 O O O O U . . . to 13
From 13 O O O O U . . . to 14
From 14 O O O O U U . . to 15
From 15 O O O O U U . . to 16
From 16 O O O O U U U . to 17
From 17 O O O O U U U . to 18
From 18 O O O O U U U U to 19
From 19 O O O O U U U U to 20
From 20 O O O O U U U U to 1