12x12 Nonogram
Difficulty: Intermediate
Fill in the cells based on the numbers
33
21
2
133
11
11
211
31
2
121
111
2111
123
11
1
12111
2113
2121
21
0
111
4
131
1
Tip: Right-click to mark cells with X
12x12 - Progressive Challenge
12x12 grids bridge the gap between intermediate and advanced puzzles. They require enhanced pattern recognition and introduce more complex logical deductions.
Key Features
- • Extended solving sequences
- • Complex pattern interactions
- • Multiple solving approaches
- • Enhanced strategic elements
Solving Tips
- • Develop systematic scanning techniques
- • Look for unique pattern combinations
- • Use advanced cross-referencing
- • Practice efficient progress tracking