digraph rps7
	{
		rock -> fire;
		rock -> scissors;
		rock -> sponge;
		fire -> scissors;
		fire -> paper;
		fire -> sponge;
		scissors -> air;
		scissors -> paper;
		scissors -> sponge;
		sponge -> paper;
		sponge -> air;
		sponge -> water;
		paper -> air;
		paper -> rock;
		paper -> water;
		air -> fire;
		air -> rock;
		air -> water;
		water -> rock;
		water -> fire;
		water -> scissors;
	}