Gattai 13 Sumo

My second generated arrangement of 13 overlapping Sudoku's. 15-apr-2018

Not completely symmetrical, I have to work on that.

Of course all overlapping area's are clueless.

No special techniques necessary to solve this: 

To downloadIn excel format:  link 

As a .txt file: link S 

Took about 31 minutes to be generated.

The excel holds the puzzle and the solver.

The  .txt file holds all lines with 81 digits. The first line is added for SiSeSuSo with the arrangement. This file can be read by SiSeSuSo.