many cameras us an internal filter to keep this from occurring. It's called an anti-alias filter but apparently it's not on the 3s. I don' think the 3s had a variable aperture, does it? If it does you can try another aperture or shoot it from...
The first shot is classic moire, which sadly, the Air 3S wide camera seems quite prone to. It's not helped by the Quad Bayer sensor. If you shoot at 50MP, it is more likely to show, the 12.5MP shots may mask it a bit. It's an interference pattern...