3. no two rows or two columns are exactly the same
4. no more than two consecutive ones or zeros occur in any row or any columnTip 1 Complete rows and columns every row and every column needs to have an equal number of ones and zeros Tip 2 Findduos complete every duo of onesorzeroswith the othernumber Tip 3 Avoid trios add the othernumber in betweentwoidenticalnumbers Tip 4 Eliminateimpossiblecombinationsverifywhethercertaincombinations in rowsor columns are possibleornot Tip 5 Rowsor columns cannotbeidentical usethis tip togetherwith tip 4 whenlookingforpossiblecombinations de regels en oplossingstips
6. step 1 Put a zero in betweentwoones Surroundtwozerosbytwoones and twoonesbytwozeros Tip 3 Avoid trios Tip 3 Vermijd trio's Tip 2 Vind duo's Tip 2 Vind duo's Tip 2 Findduos
16. step 11 Thisposition in the rowcannotbe a onebecausethatwouldlead to a trio of zeros in the middle of the row Tip 4 Eliminateimpossiblecombinations