White and black draw alternately.
It is allowed to move any stone on the board, or to place a new one.
The source stone supplies {0,1,2,3,4,...}
Starting from the source stone, the path to the next neighbour is formed.
Where this is not clear, a path ends.
Every other stone corresponds to an arithmetic operation.
The colors code the operands 1,2,3,4,5,6.
The operands are multiplied by the distance to the predecessor.
The aim is to form a path with as many different colors, numbers and shapes as possible.
Stones that produce a sound pulsate.