'sudoku completo'
'437598126'
'586132497'
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'629871354'
'158349762'
'374256819'
'865427931'
'243915678'
'791683245'
'000800501'
'049007002' 
'071506030' 
'160082940'
'200060000'
'080403016' 
'052600097' 
'006040008'
'090170600'