Combination 1-2-11-14 of Berend Jan van der Zwaag

1

Does it contain two non-4-touching dominoes? (Touching at the corners is allowed.)

2

Does it fit together with a heptomino in a 3x4 rectangle?

11

Does it fit together with a domino and two monominoes in a 3x3 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

1

N Y Y Y N N Y Y Y N N Y

2

N N Y N Y Y Y Y N N Y N

11

Y N N N Y Y Y Y Y N N Y

14

Y N Y Y N Y Y N N N Y Y


 Solution 1

Solution 2


Solution 11


 
 

Solution 14