Tested on iPhone X:
- 1 ~ 0s (variants: 4)
- 2 ~ 0s (variants: 16)
- 3 ~ 0s (variants: 64)
- 4 ~ 0s (variants: 256)
- 5 ~ 0s (variants: 1024)
- 6 ~ 0s (variants: 4096)
- 7 ~ 0s (variants: 16384)
- 8 ~ 0.1s (variants: 65536)
- 9 ~ 0.6s (variants: 262144)
- 10 ~ 0.8s (variants: 1048576)
- 11 ~ 3.2s (variants: 4194304)
- 12 ~ 14.2s (variants: 16777216)
- 13 ~ 😵 (variants: 67108864)