Problem: {F5:I5:L5:N5:P5:T5:U5:V5:W5:X5:Y5:Z5}-{I3:L3}
Solution:
 Bag1: F5,I5,L5,N5,P5,T5,U5,V5,W5,X5,Y5,Z5
  05 05 05 08 08 00 02 02 02 02 01 01 01 01 01 
  07 05 08 08 00 00 02 0b 0b 03 03 03 09 06 06 
  07 05 08 04 04 00 00 0b 03 03 0a 09 09 09 06 
  07 07 07 04 04 04 0b 0b 0a 0a 0a 0a 09 06 06 
 Bag2: I3,L3
  15 15 19 19 00 1a 1a 16 1b 1b 17 17 0c 0c 0c 
  15 10 10 19 00 00 1a 16 16 1b 17 18 18 14 14 
  07 10 0d 11 11 0e 12 12 0a 13 13 0f 18 14 06 
  07 07 0d 0d 11 0e 0e 12 0a 0a 13 0f 0f 06 06 
#squares: 60
#pieces:
 Bag1: 12
  F5: 1
  I5: 1
  L5: 1
  N5: 1
  P5: 1
  T5: 1
  U5: 1
  V5: 1
  W5: 1
  X5: 1
  Y5: 1
  Z5: 1
 Bag2: 20
  I3: 1
  L3: 19
CPU Time: 889.589s
Optimum: unknown
Board Size: 15x4
Threads: 8