Block The Ants

Catch the Ants! Close the chain of stones and block all outputs.

This is a logical game in which you are fighting against a clever opponents - the Ants.

Your goal is to close the chain of stones around the ants.

The goal of the ants is to escape from the playing field.

You alternately make moves:

The first move is made by the player: You put the three stones in any free cells.

In response, the ants move to one of the neighboring cells.

All next moves: You add stones, and the ants move to one of the neighboring cells.

Your goal is to cut off all possible exits.

Catch the ants!