Picross
  
  
2
1
3
  
  
3
1
1
  
  
  
3
3
  
  
  
2
1
  
  
3
1
3
  
  
  
6
2
  
  
5
1
1
  
  
3
1
1
  
  
  
1
3
  
  
  
3
1
  
  
  
1
5
  
  
1
1
4
  
  
2
4
1
  
  
3
2
1
  
  
1
4
1
  
1
1
1
1
  
  
  
2
4
  
  
1
4
1
  
  
  
1
2
  
  
2
1
2