BUS: Farming

[Ed Murphy]

I mill 3 + 3 = 6.
I mill 9 - 3 = 6.
I mill 9 - 7 = 2.

I harvest 6197 for 4 x-points.
I harvest 6199 for 4 x-points.
I harvest 6203 (X -> 6) for 2 y-points.