3 ominoes placed.
 1 1 2 2 0
 0 1 1 2 2
 3 3 1 0 2
 0 3 3 0 0
 0 0 3 0 0

3 ominoes placed.
 1 1 2 2 0
 0 1 1 2 2
 0 0 1 3 2
 0 0 3 3 0
 0 3 3 0 0

3 ominoes placed.
 1 1 0 0 0
 0 1 1 0 2
 3 0 1 2 2
 3 3 2 2 0
 0 3 3 0 0

2 ominoes placed.
 1 1 0 0 0
 0 1 1 0 0
 0 0 1 2 2
 0 0 2 2 0
 0 0 2 0 0

3 ominoes placed.
 0 1 1 2 0
 1 1 2 2 0
 1 2 2 3 3
 0 0 3 3 0
 0 0 3 0 0

3 ominoes placed.
 0 1 1 2 2
 1 1 2 2 0
 1 3 2 0 0
 0 3 3 0 0
 0 0 3 3 0

3 ominoes placed.
 0 1 1 2 2
 1 1 2 2 0
 1 0 2 3 3
 0 0 3 3 0
 0 0 3 0 0

3 ominoes placed.
 0 1 1 0 2
 1 1 0 2 2
 1 3 2 2 0
 0 3 3 0 0
 0 0 3 3 0

3 ominoes placed.
 0 1 1 0 0
 1 1 2 0 0
 1 2 2 3 3
 2 2 3 3 0
 0 0 3 0 0

3 ominoes placed.
 0 1 1 0 0
 1 1 2 2 0
 1 2 2 3 3
 0 2 3 3 0
 0 0 3 0 0

3 ominoes placed.
 0 1 1 0 0
 1 1 2 2 0
 1 3 3 2 2
 3 3 0 0 2
 3 0 0 0 0

3 ominoes placed.
 0 1 1 0 0
 1 1 2 2 0
 1 0 3 2 2
 0 3 3 0 2
 3 3 0 0 0

3 ominoes placed.
 0 1 1 0 0
 1 1 2 2 0
 1 3 3 2 2
 0 0 3 3 2
 0 0 0 3 0

3 ominoes placed.
 0 1 1 0 0
 1 1 2 0 0
 1 3 2 2 0
 0 3 3 2 2
 0 0 3 3 0

3 ominoes placed.
 0 1 1 0 0
 1 1 0 0 0
 1 2 2 3 3
 2 2 3 3 0
 2 0 3 0 0

3 ominoes placed.
 1 0 2 2 0
 1 1 0 2 2
 0 1 1 3 2
 0 0 3 3 0
 0 3 3 0 0

3 ominoes placed.
 1 0 2 0 0
 1 1 2 2 0
 3 1 1 2 2
 3 3 0 0 0
 0 3 3 0 0

3 ominoes placed.
 1 0 0 0 0
 1 1 0 0 2
 3 1 1 2 2
 3 3 2 2 0
 0 3 3 0 0

2 ominoes placed.
 1 0 0 0 0
 1 1 0 0 0
 0 1 1 2 2
 0 0 2 2 0
 0 0 2 0 0

3 ominoes placed.
 0 0 1 0 2
 0 1 1 2 2
 1 1 2 2 3
 0 0 0 3 3
 0 0 3 3 0

3 ominoes placed.
 0 0 1 0 0
 0 1 1 2 0
 1 1 2 2 3
 0 2 2 3 3
 0 0 3 3 0

3 ominoes placed.
 0 0 1 0 0
 0 1 1 2 2
 1 1 2 2 3
 0 0 2 3 3
 0 0 3 3 0

3 ominoes placed.
 0 0 1 0 0
 0 1 1 0 0
 1 1 2 0 3
 0 2 2 3 3
 2 2 3 3 0

3 ominoes placed.
 0 0 1 0 0
 0 1 1 0 0
 1 1 2 2 3
 0 2 2 3 3
 0 2 3 3 0

2 ominoes placed.
 0 0 1 0 0
 0 1 1 0 0
 1 1 2 2 0
 0 0 0 2 2
 0 0 0 0 2

2 ominoes placed.
 0 0 1 0 0
 0 1 1 0 0
 1 1 2 0 0
 0 0 2 2 0
 0 0 0 2 2

3 ominoes placed.
 0 1 1 0 0
 2 2 1 1 0
 0 2 2 1 3
 0 0 2 3 3
 0 0 3 3 0

3 ominoes placed.
 0 1 1 0 0
 0 0 1 1 0
 0 2 2 1 3
 2 2 0 3 3
 2 0 3 3 0

3 ominoes placed.
 0 1 1 0 0
 0 0 1 1 0
 0 0 2 1 3
 0 2 2 3 3
 2 2 3 3 0

3 ominoes placed.
 0 0 1 1 0
 0 1 1 2 2
 3 1 2 2 0
 3 3 2 0 0
 0 3 3 0 0

3 ominoes placed.
 0 0 1 1 0
 0 1 1 0 0
 2 1 3 3 0
 2 2 0 3 3
 0 2 2 0 3

3 ominoes placed.
 0 0 1 1 0
 0 1 1 0 0
 2 1 3 0 0
 2 2 3 3 0
 0 2 2 3 3

3 ominoes placed.
 0 1 2 2 0
 0 1 1 2 2
 3 3 1 1 2
 0 3 3 0 0
 0 0 3 0 0

3 ominoes placed.
 0 1 0 0 0
 2 1 1 0 0
 2 2 1 1 3
 0 2 2 3 3
 0 0 3 3 0

3 ominoes placed.
 0 0 0 1 0
 0 0 1 1 2
 3 1 1 2 2
 3 3 2 2 0
 0 3 3 0 0

3 ominoes placed.
 0 0 1 1 0
 0 2 2 1 1
 2 2 3 3 1
 2 3 3 0 0
 0 3 0 0 0

3 ominoes placed.
 0 0 1 1 0
 0 2 2 1 1
 2 2 3 3 1
 2 0 0 3 3
 0 0 0 0 3

3 ominoes placed.
 0 0 1 1 0
 0 2 2 1 1
 2 2 3 0 1
 2 0 3 3 0
 0 0 0 3 3

3 ominoes placed.
 0 0 1 1 0
 0 0 2 1 1
 0 2 2 3 1
 2 2 3 3 0
 0 3 3 0 0

3 ominoes placed.
 0 0 1 1 0
 0 2 2 1 1
 3 3 2 2 1
 0 3 3 2 0
 0 0 3 0 0

3 ominoes placed.
 0 0 1 1 0
 0 0 2 1 1
 3 3 2 2 1
 0 3 3 2 2
 0 0 3 0 0

3 ominoes placed.
 0 0 1 1 0
 0 0 0 1 1
 2 2 3 3 1
 0 2 2 3 3
 0 0 2 0 3

3 ominoes placed.
 0 0 0 1 1
 2 0 1 1 0
 2 2 1 0 3
 0 2 2 3 3
 0 0 3 3 0

2 ominoes placed.
 0 0 0 1 1
 0 0 1 1 0
 2 2 1 0 0
 0 2 2 0 0
 0 0 2 0 0

3 ominoes placed.
 0 0 1 0 0
 2 2 1 1 0
 3 2 2 1 1
 3 3 2 0 0
 0 3 3 0 0

3 ominoes placed.
 0 0 1 0 0
 0 2 1 1 0
 3 2 2 1 1
 3 3 2 2 0
 0 3 3 0 0

2 ominoes placed.
 0 0 1 0 0
 0 0 1 1 0
 0 2 2 1 1
 2 2 0 0 0
 2 0 0 0 0

3 ominoes placed.
 0 0 1 0 0
 0 0 1 1 0
 2 3 3 1 1
 2 2 3 3 0
 0 2 2 3 0

3 ominoes placed.
 0 0 1 0 0
 0 0 1 1 0
 2 0 3 1 1
 2 2 3 3 0
 0 2 2 3 3

2 ominoes placed.
 0 0 1 0 0
 0 0 1 1 0
 0 0 2 1 1
 0 2 2 0 0
 2 2 0 0 0

3 ominoes placed.
 0 0 0 0 1
 2 0 0 1 1
 2 2 1 1 3
 0 2 2 3 3
 0 0 3 3 0

2 ominoes placed.
 0 0 0 0 1
 0 0 0 1 1
 2 2 1 1 0
 0 2 2 0 0
 0 0 2 0 0

0 ominoes placed.
 0 0 0 0 0
 0 0 0 0 0
 0 0 0 0 0
 0 0 0 0 0
 0 0 0 0 0

Done with "pent-w" 
1 solutions found for 0 pieces.
0 solutions found for 1 pieces.
8 solutions found for 2 pieces.
44 solutions found for 3 pieces.
0 solutions found for 4 pieces.
0 solutions found for 5 pieces.