# note: A green code containing a symbol of depth 15,
#   MAX_ALLOWED_CODE_LENGTH.
# expect: ok
# exercises: The deepest code the format allows; forces the two-level lookup
#   in BuildHuffmanTable() past HUFFMAN_TABLE_BITS.
lossless
code green lengths 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15
pixels 15