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

4 ominoes placed.
 1 0 2 2 2
 1 2 2 3 0
 1 1 0 3 3
 0 1 4 4 3
 4 4 4 0 3

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

4 ominoes placed.
 1 2 2 2 0
 1 3 3 2 2
 1 1 3 3 3
 0 1 4 4 4
 0 4 4 0 0

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

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

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

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

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

4 ominoes placed.
 0 1 2 3 0
 1 1 2 3 0
 1 2 2 3 3
 1 2 4 4 3
 4 4 4 0 0

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

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

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

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

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

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

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

4 ominoes placed.
 0 1 2 3 0
 0 1 2 3 3
 1 1 2 2 3
 1 4 4 2 3
 0 0 4 4 4

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

4 ominoes placed.
 0 1 1 1 2
 1 1 3 3 2
 3 3 3 2 2
 4 4 4 2 0
 0 0 4 4 0

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

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

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

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

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

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

4 ominoes placed.
 1 1 1 0 2
 0 3 1 1 2
 3 3 0 2 2
 3 4 4 2 0
 3 0 4 4 4

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

4 ominoes placed.
 1 1 1 0 0
 2 3 1 1 4
 2 3 3 4 4
 2 2 3 4 0
 0 2 3 4 0

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

4 ominoes placed.
 0 0 1 1 0
 1 1 1 2 0
 3 3 3 2 2
 4 4 3 3 2
 0 4 4 4 2

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

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

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

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

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

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

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

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

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

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

4 ominoes placed.
 0 0 1 1 1
 2 1 1 3 4
 2 2 3 3 4
 0 2 3 4 4
 0 2 3 4 0

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

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

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

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

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

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

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

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

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

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

4 ominoes placed.
 0 1 1 0 0
 0 2 1 1 1
 2 2 3 3 3
 2 3 3 4 4
 2 4 4 4 0

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

3 ominoes placed.
 0 0 0 1 0
 0 0 0 1 1
 0 2 2 2 1
 2 2 3 3 1
 3 3 3 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-n" 
1 solutions found for 0 pieces.
0 solutions found for 1 pieces.
16 solutions found for 2 pieces.
80 solutions found for 3 pieces.
10 solutions found for 4 pieces.
0 solutions found for 5 pieces.