Problem: Y5-I5-N4
Solution:
 Bag1: Y5
  02 -- 
  02 02 
  02 01 
  02 01 
  01 01 
  00 01 
  00 00 
  00 03 
  00 03 
  03 03 
  -- 03 
 Bag2: I5
  01 -- 
  01 05 
  01 05 
  01 05 
  01 05 
  03 05 
  03 04 
  03 04 
  03 04 
  03 04 
  -- 04 
 Bag3: N4
  08 -- 
  08 08 
  02 08 
  02 02 
  07 02 
  07 07 
  06 07 
  06 06 
  03 06 
  03 03 
  -- 03 
#squares: 20
#pieces:
 Bag1: 4
 Bag2: 4
 Bag3: 5
CPU Time: 121.300s
Optimum: yes
Board Size: 30x30
Threads: 16
Choices: 4394839
Conflicts: 1946106
Restarts: 1602
Variables: 41688
Constraints: 139858