Sudoku puzzle in medium difficulty with solved and unsolved grids
Keywords
sudoku,
puzzle,
medium,
solved,
number,
grid,
logic,
game,
brain,
challenge,
entertainment,
mental,
concentration,
strategy,
education,
play,
pastime,
activity,
leisure,
fun,
solution,
black,
white,
red,
position,
clue,
cross,
row,
column,
square,
mind,
skill,
analysis,
correct,
placing,
pattern,
mathematic,
test,
engage,
research,
score,
competition,
intelligence,
accuracy,
problem,
thinking