Number of solutions by position of X-piece:
 



12






2



 
 
 Total number of solutions: 14
 
1


2



2


2



3


2



4


2



5


2



6


2



7


1



8


1



9


2



10


2



11


1



12


1



13


3



14


3



 
 View all 14 solutions as a text file…
 View all 13 connections between the solutions as a text file…