idnr: 2267
       
    4 1
1 2    
       
Difficulty: Super easy (0)
idnr: 4419
       
4     1
1     3
       
Difficulty: Very easy (0)
idnr: 5823
  3   4
    1 2
2 1    
4   3  
Difficulty: Super easy (0)
idnr: 1097
3     1
       
       
2     3
Difficulty: Very easy (0)