The challenge is to fill the selected grid with numbers so that every column, every row, and a 3x3 box contains all the numbers without repeating them.
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Happy
Brick
Summe
Crazy
Gun I
Space
Tacti
Save
Rabbi
Swing
Hexa
Red R
Mc Fl
Pop I
Stack
Sonic
Pixel
Happy
Pizza
Storm
Hair
Idle
Smart
Equat
Draw
Battl
Dress
Bakin
Pizza
Unico
Santa
Dino
Car P