Imagine if we could modify the shape of a Super Sudoku 16X16. If we look carefully at one puzzle.
We notice that this puzzle is composed of 16 regions of size 4X4, but we could divide the puzzle into 4 parts of 8X8.
By example a Super Sudoku has 4 regions of 8X8 like this.
I was wandering what could happen if we want to insert an another region of size 8X8 into this puzzle. The most obviously method like this
produces this puzzle: