## 4x4x4 Rubic's Cube

[4x4x4 Rubic's Cube](https://en.wikipedia.org/wiki/Rubik%27s_Revenge) (aka Rubic's evenge) is a larger version
of original 3x3x3 Rubic's cube.

![](https://www.googleapis.com/download/storage/v1/b/kaggle-user-content/o/inbox%2F11605678%2F3f0ec217b5843d682721f3ca827dce2d%2Fcustom-2.png?generation=1756991243466090&alt=media)

Unlike the original version, the God's number for this cube is not known. The group size(number of states) of the 4x4x4 cube is around 1.70E+46 (for comparison 3x3x3 Rubik's cube has 4.3E+19 states).