Sudoku Cube 4x4 (16-Color) V1

The Sudoku Cube 4x4 is a standard, non-magnetic 4x4 with a durable build that features printed-on pieces rather than stickers. The goal is to have different, non-repeating colors on every column and row. 
This version has 16 different colors to align. And the corners have the same shade on all three sides.