Unicursal PVN

It is one-stroke sketch game.
Lets write without separating to the last minute when beginning.

This game provides the following functions.
1. It is possible to make it from the one-stroke sketch me.
2.The arrow that indicates the direction is put on each line.
3. There are three kinds of one-stroke sketch figures about 3×3, 4×4, and 5×5.
4.The made one-stroke sketch figure can be checked, and it be confirmed whether there are kinds of how many correct answers.
5.The made one-stroke sketch figure can preservation/be deleted.

Please refer to the support page for the manner of operation.