Computer-Generated Chess Problem 02401

Now, this is a 'KRRBNP vs krr' mate in 4 chess construct composed autonomously by a computer program, Chesthetica, using the Digital Synaptic Neural Substrate (DSNS) computational creativity approach. It doesn't use endgame tablebases, neural networks or any kind of machine learning found in traditional AI.

8/8/2r1kPK1/8/2N5/R7/4rR2/5B2 w - - 0 1
White to Play and Mate in 4
Chesthetica v10.82 : Selangor, Malaysia
2018.11.26 5:08:50 AMSolvability Estimate = Difficult
Get a glimpse into the 'mind' of a computer composer. Did you find this one interesting or have something else to say? Leave a comment below! Feel free to copy the position into a chess engine and discover even more variations of the solution.
Main Line of the Solution (Skip to 0:35)