The text you provided seems to be a cryptographic expression or a code that is meant to represent a sexual position. However, without further context or a key, it is not possible to determine its meaning. If you have any additional information or another文本内容 that mentions this specific code, please provide it, and I would be happy to assist you further in interpreting it.
As it stands, the phrase "sexual position 4" is not recognizable as a common term or term that refers to a specific sexual position. If you have any documents or additional information that mention this phrase in a different context, please share them, and I would be happy to help you interpret it.
