15x15 Nonogram
Difficulty: Advanced
Fill in the cells based on the numbers
12
22
1111
11
1113
1122
141
112
112
1111
21
131
122
111
121
111
121
12
11
11212
11
21
131
312
111
111
14
1211
1212
1122
Tip: Right-click to mark cells with X
15x15 - Advanced Techniques
15x15 puzzles demand advanced solving strategies and careful attention to detail. These grids often reveal intricate pictures and patterns.
Key Features
- • Complex pattern interactions
- • Multiple solving paths
- • Requires strategic planning
- • Tests advanced technique application
Solving Tips
- • Start with the most constrained areas
- • Use cross-referencing between rows and columns
- • Keep track of your progress systematically
- • Double-check your work regularly