LZMA_LEN_NUM_LOW_BITS
+ (1 << (LZMA_NUM_POS_BITS_MAX + LZMA_LEN_NUM_LOW_BITS)))
LZMA_LEN_NUM_LOW_BITS));
num_bits = LZMA_LEN_NUM_LOW_BITS;
offset = 1 << LZMA_LEN_NUM_LOW_BITS;
offset = ((1 << LZMA_LEN_NUM_LOW_BITS)