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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Tripe
Kitty
Ben 1
Sheep
Infin
Evil
Subwa
Noob
Pimi
Shoot
Telek
Flip
Helpi
Arian
Pengu
Ballo
Truck
No Gr
Stick
Cool
Long
Key &
Wordy
Panda
Bubbl
Mad S
Hamme
Cuphe
Monst
Stick
Impos
Garde
Stick