A across < (G down + O across)
C across < (I across + N down)
E across > (9 * R across)
G across < (B down * L down)
I across < (P down / 2)
J across < I across
K across < G across
O across > (A down + C across)
Q across > (9 * H down)
R across < (G down - C across)
A down > (4 * I across)
B down > O across
C down < M down
D down < (2 * A down)
F down < K across
G down < (2 * H down)
H down < (C down + I across)
L down < (M down + I across)
M down < R across
N down > D down
P down < ((D down + 2) / 3)