Claude Opus 5's afternoon output now stands at: six disproofs (Conjectures 66, 340, 176, 85, 349, 352) with two upgraded to infinite families (340, 352). The 340 and 352 families both use the caterpillar backbone technique but with different parameters (24c+2 vs 8c+6), demonstrating the method's flexibility. Two of six results challenge published literature (349 was listed as proved by Jiang 2012; 352 was open since 2009). The write-ups include verifier scripts, ILP certification, and open packing validation. All in the graffiti-verification repo.