3
5
10
15
Combination
3-5-10-15 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? |
|
10
|
Does it contain two non-8-touching dominoes? (Touching at the corners is not allowed.) |
|
15
|
Can two copies construct a point-symmetric 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 |
|
10 |
N | Y | Y | N | N | N | Y | N | N | N | N | Y |
|
15 |
Y | N | Y | Y | N | Y | N | N | N | N | Y | Y |
|
Solution 3 |
Solution 5 |
Solution 10  | Solution 15 |
