// This relies on the maximum huffman code length being 30 (See tables.go huffmanCodeLen array)
	// So if a uint64 buffer has less than 32 valid bits can always accommodate another huffmanCode.
	var (
		x uint64 // buffer
		n uint   // number valid of bits present in x
	)
	for i := 0; i < len(s); i++ {
		c := s[i]
		n += uint(huffmanCodeLen[c])
		x <<= huffmanCodeLen[c] % 64
		x |= uint64(huffmanCodes[c])
		if n >= 32 {

	0x3ffffed,
	0x7ffffe7,
	0x7ffffe8,
	0x7ffffe9,
	0x7ffffea,
	0x7ffffeb,
	0xffffffe,
	0x7ffffec,
	0x7ffffed,
	0x7ffffee,
	0x7ffffef,
	0x7fffff0,
	0x3ffffee,
}

var huffmanCodeLen = [256]uint8{
	13, 23, 28, 28, 28, 28, 28, 28, 28, 24, 30, 28, 28, 30, 28, 28,
	28, 28, 28, 28, 28, 28, 30, 28, 28, 28, 28, 28, 28, 28, 28, 28,
	6, 10, 10, 12, 13, 6, 8, 11, 10, 10, 8, 11, 8, 6, 6, 6,