Codec 0004-001E (number 2)

298529496 10 -4 4 5 10 10 5 10 0
entropy: 341334064 bits, ratio: 8.75:1
22 symbols

ordinal	symbol	freq	addBits	entropy	Huffman code
----------------------------------------------------
0	-4	617847	0	7.256	1110000
1	-3	1366615	0	6.111	011010
2	-2	4324084	0	4.449	1111
3	-1	25381177	0	1.896	00
4	0	10639228	0	3.150	110
5	1	24740449	0	1.933	10
6	2	4207637	0	4.488	01000
7	3	1323913	0	6.157	011011
8	4	597874	0	7.304	11100010
9	lit5	1635623	8178115	5.852	010011
10	lit10	28482	284820	11.695	01001011
11	z2	5378521	0	4.134	0111
12	z3	3382593	0	4.803	01010
13	z4	2243355	0	5.396	11101
14	z5	1430606	0	6.045	010111
15	z6	986186	0	6.582	0100100
16	z7	794939	0	6.893	0101100
17	z8	669368	0	7.141	0101101
18	z9	521178	0	7.502	01001010
19	z10	390236	0	7.919	11100011
20	zlit5	2706659	13533295	5.125	01100
21	zlit10	1084011	10840110	6.445	111001

Tweaked: lit10, z10 (9->8 codebits), 4 (7->8 codebits)