This rule can be inverted to store a 0 if the run begins with a 0 bit, but the effect is the same as long as both the encoder and the decoder of the inversion list agree on this detail.
如果开始出现的是 0 ，那么这个规则需要改变，但效果是一样的，因为编码器和解码器都遵循这一规则。
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To compress data, the LZ77 algorithm replaces portions of the data with references to matching data that has already passed through both the encoder and the decoder.
One person, known as the decoder, placed his or her forearm beneath the curtain, while the other person, or encoder, communicated an emotion solely through touch.