Problem: N4-I5
Solution:
 Bag1: N4
  04 -- 
  04 04 
  03 04 
  03 03 
  02 03 
  02 02 
  01 02 
  01 01 
  00 01 
  00 00 
  -- 00 
 Bag2: I5
  05 -- 
  05 07 
  05 07 
  05 07 
  05 07 
  00 07 
  00 06 
  00 06 
  00 06 
  00 06 
  -- 06 
#squares: 20
#pieces:
 Bag1: 5
 Bag2: 4
CPU Time: 30.068s
Optimum: yes
Board Size: 30x30
Threads: 16
Choices: 2523801
Conflicts: 1073138
Restarts: 937
Variables: 19360
Constraints: 60160