Reversed row-grid

[troldmand]

Especially needed for big thumbs:

[dotnetCarpenter]

A hack is already implemented - f-row_reverse. I don't know if it's sufficient for our use-case. But it is a start.

[dotnetCarpenter]

Would be better to implement this is lost instead of our hack. Since we got our 1 PR accepted and that they know we have this hack, they are probably positive about a new PR.