International Sudoku Day book illustration, grid puzzle, isolated
Schlüsselwörter
sudoku,
international,
day,
puzzle,
game,
book,
grid,
number,
logic,
challenge,
mind,
intelligence,
strategy,
mathematic,
leisure,
recreation,
hobby,
activity,
brain,
exercise,
thinking,
concentration,
problem,
solving,
brain teaser,
square,
drawing,
vignetting,
illustration,
line,
art,
minimalist,
simple,
clean,
outline,
design,
graphic,
vector,
isolated,
cut,
out,
no,
background,
transparent,
intellectual,
pastime,
entertainment
Deutsch
