and he wafted back and forth inside the sewers and thought taking the ladder back up would be irremissibly cheating and he could not quite brickwall his mind on whether to follow the tunnel dominated by kitchen waste or the alley uniformly lit by the fluorescent corpses of small scavenger animals tired of scavenging , including what appeared to have been a five year old human girl once , or the passage that most unoriginally chose to decorate itself mainly with fcal arabesques .