Smooth lighting is asymmetric.
Environment
CPU : Intel(R) Core(TM) M-5Y10c CPU @ 0.80GHz
RAM : 8.00GB
VGA : Intel(R) HD Graphics 5300
Available VRAM : 3839 MB
Availalbe Disk Space : 37GB
java version "1.8.0_45"
Java(TM) SE Runtime Environment (build 1.8.0_45-b15)
Java HotSpot(TM) Client VM (build 25.45-b02, mixed mode, sharing)
Is this even a bug? Please comment what you think, reporters!