Sudoku Studio V3.2.1

SunnieShine> print "This release uses .NET 8, Windows App SDK 1.4.2."
SunnieShine> print "This version I've added some APIs that won't be used in UI,
>>> but I want to use them later. This version will make this program a little bit slow."
SunnieShine> print "Please remove your old configuration files firstly if you installed this program
>>> because I have modified some techniques' handling logic. In present I'm still not aware of
>>> any possible ways to make it (technique updating) compatible."