Combination
3-5-9-14 of Berend Jan van der Zwaag
3
|
Does it fit together with two copies of another pentomino in a 3x5 rectangle? |
5
|
Does it fit together with two copies of another pentomino in a 3x5 rectangle? |
9
|
Is its bounding rectangle a square? |
14
|
Can two copies construct a decamino with a fully enclosed 1x1 hole? |
F | I | L | N | P | T | U | V | W | X | Y | Z | |
3
|
N | Y | Y | N | N | Y | N | Y | N | Y | Y | Y |
5
|
N | Y | Y | Y | Y | Y | N | Y | N | N | N | N |
9
|
Y | N | N | N | N | Y | N | Y | Y | Y | N | Y |
14 |
Y | N | Y | Y | N | Y | Y | N | N | N | Y | Y |
Solution 3 |
Solution 5 |
Solution 9 ![]()
| Solution 14![]() |