primary
UUGACUaCGGAUCAAUUGACUaCGGAUCAAGACUaCGGUUUGACUaCGGAUCAA
declare
h1 = (5,11),
h2 = (4,12),
h3 = (3,13),
h4 = (2,14),
h5 = (1,15),
h6 = (20,26),
h7 = (19,27),
h8 = (18,28),
h9 = (17,29),
h10 = (16,30),
h11 = (44,50),
h12 = (43,51),
h13 = (42,52),
h14 = (41,53),
h15 = (40,54)
structure
h1 | h2 | h3 | h4 | h5 + h6 | h7 | h8 | h9 | h10 + h11 | h12 | h13 | h14 | h15
end