Queens

Place one queen per row, column, and color region — no two queens may touch, even diagonally.

Level 17×7 · 7 colors
Level 27×7 · 7 colors
Level 36×6 · 6 colors
Level 416×16 · 16 colors
Level 510×10 · 10 colors
Level 616×16 · 16 colors
Level 713×13 · 13 colors
Level 815×15 · 15 colors
Level 915×15 · 15 colors
Level 1017×17 · 17 colors
Level 1112×12 · 12 colors
Level 1211×11 · 11 colors
Level 136×6 · 6 colors
Level 1410×10 · 10 colors
Level 155×5 · 5 colors
Level 1616×16 · 16 colors
Level 1715×15 · 15 colors
Level 1811×11 · 11 colors
Level 1910×10 · 10 colors
Level 2018×18 · 18 colors
Level 2112×12 · 12 colors
Level 2216×16 · 16 colors
Level 2318×18 · 18 colors
Level 2412×12 · 12 colors
Level 2513×13 · 13 colors
Level 2618×18 · 18 colors
Level 275×5 · 5 colors
Level 2810×10 · 10 colors
Level 2913×13 · 13 colors
Level 3017×17 · 17 colors
Level 3111×11 · 11 colors
Level 3210×10 · 10 colors
Level 3312×12 · 12 colors
Level 3415×15 · 15 colors
Level 355×5 · 5 colors
Level 368×8 · 8 colors
Level 3711×11 · 11 colors
Level 3810×10 · 10 colors
Level 3912×12 · 12 colors
Level 4015×15 · 15 colors
Level 416×6 · 6 colors
Level 427×7 · 7 colors
Level 439×9 · 9 colors
Level 447×7 · 7 colors
Level 4510×10 · 10 colors
Level 4611×11 · 11 colors
Level 4712×12 · 12 colors
Level 4813×13 · 13 colors
Level 4911×11 · 11 colors
Level 5017×17 · 17 colors
Level 517×7 · 7 colors
Level 526×6 · 6 colors
Level 5313×13 · 13 colors
Level 5412×12 · 12 colors
Level 557×7 · 7 colors
Level 5614×14 · 14 colors
Level 5712×12 · 12 colors
Level 588×8 · 8 colors
Level 5913×13 · 13 colors
Level 6018×18 · 18 colors
Level 6112×12 · 12 colors
Level 628×8 · 8 colors
Level 638×8 · 8 colors
Level 6417×17 · 17 colors
Level 6514×14 · 14 colors
Level 667×7 · 7 colors
Level 679×9 · 9 colors
Level 689×9 · 9 colors
Level 695×5 · 5 colors
Level 7011×11 · 11 colors
Level 7110×10 · 10 colors
Level 7213×13 · 13 colors
Level 739×9 · 9 colors
Level 7414×14 · 14 colors
Level 7516×16 · 16 colors
Level 766×6 · 6 colors
Level 779×9 · 9 colors
Level 7813×13 · 13 colors
Level 797×7 · 7 colors
Level 807×7 · 7 colors
Level 8112×12 · 12 colors
Level 827×7 · 7 colors
Level 8313×13 · 13 colors
Level 8416×16 · 16 colors
Level 855×5 · 5 colors
Level 867×7 · 7 colors
Level 8714×14 · 14 colors
Level 885×5 · 5 colors
Level 8911×11 · 11 colors
Level 9010×10 · 10 colors
Level 917×7 · 7 colors
Level 9210×10 · 10 colors
Level 9312×12 · 12 colors
Level 949×9 · 9 colors
Level 9510×10 · 10 colors
Level 9616×16 · 16 colors
Level 977×7 · 7 colors
Level 989×9 · 9 colors
Level 9913×13 · 13 colors
Level 10014×14 · 14 colors
Level 10114×14 · 14 colors
Level 10210×10 · 10 colors
Level 1038×8 · 8 colors
Level 1046×6 · 6 colors
Level 10513×13 · 13 colors
Level 10614×14 · 14 colors
Level 10717×17 · 17 colors
Level 1087×7 · 7 colors
Level 1099×9 · 9 colors
Level 11011×11 · 11 colors
Level 1115×5 · 5 colors
Level 11210×10 · 10 colors
Level 11311×11 · 11 colors
Level 11412×12 · 12 colors
Level 11516×16 · 16 colors
Level 11614×14 · 14 colors
Level 11711×11 · 11 colors
Level 11810×10 · 10 colors
Level 1196×6 · 6 colors
Level 1209×9 · 9 colors
Level 1219×9 · 9 colors
Level 1229×9 · 9 colors
Level 12311×11 · 11 colors
Level 12416×16 · 16 colors
Level 12518×18 · 18 colors
Level 1269×9 · 9 colors
Level 1277×7 · 7 colors
Level 1289×9 · 9 colors
Level 1297×7 · 7 colors
Level 13010×10 · 10 colors
Level 13114×14 · 14 colors
Level 13214×14 · 14 colors
Level 1339×9 · 9 colors
Level 13410×10 · 10 colors
Level 13511×11 · 11 colors
Level 13612×12 · 12 colors
Level 1379×9 · 9 colors
Level 13812×12 · 12 colors
Level 13910×10 · 10 colors
Level 14014×14 · 14 colors
Level 1419×9 · 9 colors
Level 14211×11 · 11 colors
Level 14311×11 · 11 colors
Level 14415×15 · 15 colors
Level 1456×6 · 6 colors
Level 1465×5 · 5 colors
Level 1477×7 · 7 colors
Level 1489×9 · 9 colors
Level 1497×7 · 7 colors
Level 1508×8 · 8 colors
Level 1519×9 · 9 colors
Level 1529×9 · 9 colors
Level 15312×12 · 12 colors
Level 15414×14 · 14 colors
Level 1559×9 · 9 colors
Level 1567×7 · 7 colors
Level 15710×10 · 10 colors
Level 1587×7 · 7 colors
Level 1599×9 · 9 colors
Level 1609×9 · 9 colors
Level 1619×9 · 9 colors
Level 16210×10 · 10 colors
Level 16311×11 · 11 colors
Level 16413×13 · 13 colors
Level 1656×6 · 6 colors
Level 1668×8 · 8 colors
Level 1679×9 · 9 colors
Level 16810×10 · 10 colors
Level 16910×10 · 10 colors
Level 17010×10 · 10 colors
Level 1716×6 · 6 colors
Level 1726×6 · 6 colors
Level 1739×9 · 9 colors
Level 17416×16 · 16 colors
Level 1757×7 · 7 colors
Level 1767×7 · 7 colors
Level 1778×8 · 8 colors
Level 17810×10 · 10 colors
Level 17911×11 · 11 colors
Level 1807×7 · 7 colors
Level 18111×11 · 11 colors
Level 1829×9 · 9 colors
Level 18310×10 · 10 colors
Level 18412×12 · 12 colors
Level 1855×5 · 5 colors
Level 18613×13 · 13 colors
Level 1876×6 · 6 colors
Level 1886×6 · 6 colors
Level 1899×9 · 9 colors
Level 19014×14 · 14 colors
Level 19110×10 · 10 colors
Level 19213×13 · 13 colors
Level 19310×10 · 10 colors
Level 19413×13 · 13 colors
Level 19510×10 · 10 colors
Level 1966×6 · 6 colors
Level 1977×7 · 7 colors
Level 19813×13 · 13 colors
Level 1995×5 · 5 colors
Level 2006×6 · 6 colors
Level 2019×9 · 9 colors
Level 20215×15 · 15 colors
Level 2036×6 · 6 colors
Level 2048×8 · 8 colors
Level 2057×7 · 7 colors
Level 20611×11 · 11 colors
Level 2079×9 · 9 colors
Level 20811×11 · 11 colors
Level 20911×11 · 11 colors
Level 21014×14 · 14 colors
Level 2117×7 · 7 colors
Level 2129×9 · 9 colors
Level 21310×10 · 10 colors
Level 21410×10 · 10 colors
Level 2156×6 · 6 colors
Level 2169×9 · 9 colors
Level 2178×8 · 8 colors
Level 2188×8 · 8 colors
Level 2198×8 · 8 colors
Level 2207×7 · 7 colors
Level 22110×10 · 10 colors
Level 22210×10 · 10 colors
Level 2238×8 · 8 colors
Level 22410×10 · 10 colors
Level 22511×11 · 11 colors
Level 22614×14 · 14 colors
Level 2278×8 · 8 colors
Level 2287×7 · 7 colors
Level 22911×11 · 11 colors
Level 2307×7 · 7 colors
Level 23110×10 · 10 colors
Level 2326×6 · 6 colors
Level 2339×9 · 9 colors
Level 2349×9 · 9 colors
Level 23510×10 · 10 colors
Level 2366×6 · 6 colors
Level 2379×9 · 9 colors
Level 2386×6 · 6 colors
Level 2397×7 · 7 colors
Level 24010×10 · 10 colors
Level 24113×13 · 13 colors
Level 2427×7 · 7 colors
Level 2438×8 · 8 colors
Level 24411×11 · 11 colors
Level 24513×13 · 13 colors
Level 2469×9 · 9 colors
Level 24710×10 · 10 colors
Level 24811×11 · 11 colors
Level 24914×14 · 14 colors
Level 2506×6 · 6 colors
Level 2515×5 · 5 colors
Level 25211×11 · 11 colors
Level 25314×14 · 14 colors
Level 2545×5 · 5 colors
Level 2557×7 · 7 colors
Level 2569×9 · 9 colors
Level 2579×9 · 9 colors
Level 25810×10 · 10 colors
Level 25914×14 · 14 colors
Level 26015×15 · 15 colors
Level 26115×15 · 15 colors
Level 26213×13 · 13 colors
Level 2639×9 · 9 colors
Level 26411×11 · 11 colors
Level 26511×11 · 11 colors
Level 26610×10 · 10 colors
Level 26712×12 · 12 colors
Level 26812×12 · 12 colors
Level 26914×14 · 14 colors
Level 2705×5 · 5 colors
Level 2719×9 · 9 colors
Level 2725×5 · 5 colors
Level 2738×8 · 8 colors
Level 27410×10 · 10 colors
Level 27510×10 · 10 colors
Level 2769×9 · 9 colors
Level 27717×17 · 17 colors
Level 27815×15 · 15 colors
Level 27917×17 · 17 colors
Level 28010×10 · 10 colors
Level 2816×6 · 6 colors
Level 28212×12 · 12 colors
Level 28312×12 · 12 colors
Level 2848×8 · 8 colors
Level 2856×6 · 6 colors
Level 28610×10 · 10 colors
Level 28710×10 · 10 colors
Level 28815×15 · 15 colors
Level 28915×15 · 15 colors
Level 2907×7 · 7 colors
Level 2918×8 · 8 colors
Level 2927×7 · 7 colors
Level 2938×8 · 8 colors
Level 2949×9 · 9 colors
Level 29511×11 · 11 colors
Level 29610×10 · 10 colors
Level 29711×11 · 11 colors
Level 29812×12 · 12 colors
Level 29914×14 · 14 colors
Level 3005×5 · 5 colors
Level 3018×8 · 8 colors
Level 3028×8 · 8 colors
Level 30312×12 · 12 colors
Level 30410×10 · 10 colors
Level 30510×10 · 10 colors
Level 30613×13 · 13 colors
Level 30716×16 · 16 colors
Level 30815×15 · 15 colors
Level 30916×16 · 16 colors
Level 31015×15 · 15 colors
Level 3115×5 · 5 colors
Level 3127×7 · 7 colors
Level 3136×6 · 6 colors
Level 31415×15 · 15 colors
Level 3158×8 · 8 colors
Level 3169×9 · 9 colors
Level 3178×8 · 8 colors
Level 31811×11 · 11 colors
Level 31912×12 · 12 colors
Level 3207×7 · 7 colors
Level 32111×11 · 11 colors
Level 32212×12 · 12 colors
Level 32314×14 · 14 colors
Level 32412×12 · 12 colors
Level 3259×9 · 9 colors
Level 3267×7 · 7 colors
Level 3277×7 · 7 colors
Level 32812×12 · 12 colors
Level 32916×16 · 16 colors
Level 3309×9 · 9 colors
Level 3317×7 · 7 colors
Level 3329×9 · 9 colors
Level 33312×12 · 12 colors
Level 33414×14 · 14 colors
Level 3355×5 · 5 colors
Level 3367×7 · 7 colors
Level 3378×8 · 8 colors
Level 33811×11 · 11 colors
Level 33916×16 · 16 colors
Level 34011×11 · 11 colors
Level 3417×7 · 7 colors
Level 34210×10 · 10 colors
Level 34312×12 · 12 colors
Level 34412×12 · 12 colors
Level 3457×7 · 7 colors
Level 34611×11 · 11 colors
Level 34711×11 · 11 colors
Level 34810×10 · 10 colors
Level 34912×12 · 12 colors
Level 3509×9 · 9 colors
Level 3518×8 · 8 colors
Level 35210×10 · 10 colors
Level 35312×12 · 12 colors
Level 35414×14 · 14 colors
Level 3558×8 · 8 colors
Level 35614×14 · 14 colors
Level 3578×8 · 8 colors
Level 3589×9 · 9 colors
Level 35912×12 · 12 colors
Level 3608×8 · 8 colors
Level 3618×8 · 8 colors
Level 3629×9 · 9 colors
Level 3639×9 · 9 colors
Level 36416×16 · 16 colors
Level 36510×10 · 10 colors
Level 36615×15 · 15 colors
Level 36715×15 · 15 colors
Level 3687×7 · 7 colors
Level 36911×11 · 11 colors
Level 3705×5 · 5 colors
Level 3717×7 · 7 colors
Level 37210×10 · 10 colors
Level 3739×9 · 9 colors
Level 37417×17 · 17 colors
Level 3755×5 · 5 colors
Level 3766×6 · 6 colors
Level 3776×6 · 6 colors
Level 3789×9 · 9 colors
Level 37914×14 · 14 colors
Level 3808×8 · 8 colors
Level 3818×8 · 8 colors
Level 3827×7 · 7 colors
Level 38310×10 · 10 colors
Level 38412×12 · 12 colors
Level 3859×9 · 9 colors
Level 38610×10 · 10 colors
Level 38711×11 · 11 colors
Level 38811×11 · 11 colors
Level 38915×15 · 15 colors
Level 39010×10 · 10 colors
Level 3916×6 · 6 colors
Level 3929×9 · 9 colors
Level 39318×18 · 18 colors
Level 39410×10 · 10 colors
Level 3958×8 · 8 colors
Level 39610×10 · 10 colors
Level 39710×10 · 10 colors
Level 39814×14 · 14 colors
Level 39917×17 · 17 colors
Level 40012×12 · 12 colors
Level 4019×9 · 9 colors
Level 40210×10 · 10 colors
Level 4038×8 · 8 colors
Level 4049×9 · 9 colors
Level 40516×16 · 16 colors
Level 40613×13 · 13 colors
Level 4079×9 · 9 colors
Level 40812×12 · 12 colors
Level 4097×7 · 7 colors
Level 41013×13 · 13 colors
Level 41110×10 · 10 colors
Level 4129×9 · 9 colors
Level 41313×13 · 13 colors
Level 4149×9 · 9 colors
Level 4155×5 · 5 colors
Level 41618×18 · 18 colors
Level 4178×8 · 8 colors
Level 4188×8 · 8 colors
Level 41914×14 · 14 colors
Level 4205×5 · 5 colors
Level 42111×11 · 11 colors
Level 42210×10 · 10 colors
Level 4235×5 · 5 colors
Level 4248×8 · 8 colors