Trees for decoding tone info

• 1: 1 bit
• 2: 3 bit
• 3,4: 4 bit
• 5..8: 5 bit
• 9..16: 6 bit

• 0: 1 bit
• 1: 2 bit
• 2: 3 bit
• 3: 4 bit
• 4: 5 bit
• 5: 6 bit
• 6: 7 bit
• 7: 7 bit

(this is in fact "truncated unary encoding")

• -4..-2: 6 bit
• -1: 3 bit
• 0: 1 bit
• 1: 2 bit
• 2: 4 bit
• 3: 6 bit

• -128..-63: 11 bit
• -62..-14: 10 bit
• -13..-11: 9 bit
• -10..-6: 8 bit
• -5..-3: 7 bit
• -2: 5 bit
• -1: 4 bit
• 0: 1 bit
• 1: 4 bit
• 2: 5 bit
• 3..8: 7 bit
• 9..12: 8 bit
• 13..38: 9 bit
• 39..93: 10 bit
• 94..127: 11 bit

• 20..23: 8 bit
• 24: 6 bit
• 25..27: 5 bit
• 28..37: 4 bit
• 38..42: 5 bit
• 43..47: 6 bit
• 48..51: 8 bit

• -16..-9: 8 bit
• -8..-6: 7 bit
• -5,-4: 6 bit
• -3,-2: 4 bit
• -1: 3 bit
• 0: 2 bit
• 1,2: 3 bit
• 3: 4 bit
• 4: 5 bit
• 5,6: 6 bit
• 7: 7 bit
• 8..15: 8 bit