Problem: P5-N5-N4
Solution:
 Bag1: P5
  03 -- 
  03 03 
  03 03 
  02 02 
  02 02 
  01 02 
  01 01 
  01 01 
  00 00 
  00 00 
  -- 00 
 Bag2: N5
  05 -- 
  05 05 
  02 05 
  02 05 
  02 02 
  04 02 
  04 04 
  00 04 
  00 04 
  00 00 
  -- 00 
 Bag3: N4
  05 -- 
  05 05 
  07 05 
  07 07 
  06 07 
  06 06 
  01 06 
  01 01 
  00 01 
  00 00 
  -- 00 
#squares: 20
#pieces:
 Bag1: 4
 Bag2: 4
 Bag3: 5
CPU Time: 2390.501s
Optimum: yes
Board Size: 30x30
Threads: 16
Choices: 72483580
Conflicts: 33645087
Restarts: 17663
Variables: 56006
Constraints: 191852