Zen

https://go.dev/play/p/ToUB8Vxh1-l

https://go.dev/play/p/eNB5EY2pT03

https://go.dev/play/p/KCwgviQ0MDX

https://go.dev/play/p/VCq3hYfuMh5

https://go.dev/play/p/O0Y1fbFeM97

https://go.dev/play/p/iP6trhNztnY

https://go.dev/play/p/YbqBiJy9l2v

https://go.dev/play/p/gPOTzsefr0M

https://go.dev/play/p/NgiyHetfiM2

https://go.dev/play/p/vZVGPtGtwgB