The Pentomino

In Smart phone Purapazuru

*I modified the judgment of symmetry was wrong in some cases. Registered data are automatically corrected.

Despite the simplicity of the pieces just fit into the case, it is a puzzle deep.
And is that pentomino puzzle pieces fit into 12 types of cases that are created by concatenating the five squares.

Five plus one or four pieces of area 12 in addition to the above piece, corresponding to 13 pieces, 17 pieces also, in this application, he can play in all 28 different cases.

I will aim to Furukonpu to cooperate with everyone.
Sure enough, I can find the combination of (Case rectangle 10x6) 2,339 street?