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
  07 07 07 03 03 03 00 05 08 0a 0a 0a 0a 0b 04 04 04 09 06 06 
  07 02 03 03 00 00 00 05 08 08 0a 0b 0b 0b 04 04 09 09 09 06 
  07 02 02 02 02 00 05 05 05 08 08 0b 01 01 01 01 01 09 06 06 
 Bag2: I3,L3
  0f 0f 0f 03 18 18 14 14 0c 0a 0a 0a 19 19 0d 15 15 16 16 17 
  07 07 03 03 10 18 14 05 0c 11 11 12 01 19 0d 15 13 16 17 17 
  07 02 02 02 10 10 05 05 0c 11 12 12 01 01 0d 13 13 0e 0e 0e 
#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: 6
  L3: 14
CPU Time: 1201.479s
Optimum: unknown
Board Size: 20x3
Threads: 8