103. The seamless blending of hypocrites. 

This verse (3:179) talks of hypocrites identified instantly.

During Prophet Muhammad’s time the hypocrites posed as Muslims and blended themselves with people by deceiving them and making it difficult to differentiate one from the other.

This verse (3:179) speaks about the exposure of hypocrites when they were ordered to go to the frontlines during war, which they refrained from exposing themselves.

Please refer to explanation point No;104