# note: Lengths 1, 2, 2, 2: each length is individually possible, but
#   together they over-subscribe the tree.
# expect: reject
# exercises: Slips past the per-length capacity guard and is caught later,
#   when num_open goes negative during the tree walk.
lossless
code dist lengths 1 2 2 2
code dist codelen 1 2 2 2 18x36