Operands 1 & 2

0-8     The numeric value

Neighbourhood:
A-H    Number of cells of the selected color (1-8)
a-h     Number of cells not of this color ()
I         Number of cells of the same color as the tested cell
J        Number of cells of another color than the tested cell ()
K        Number of differents colors ()
L        Total number of cells ()
M       Total number of empty cells
N       Number of cells of colors A or B (1 or 2)
O       Number of cells of colors C or D (3 or 4)
P       Number of cells of colors A or C (1 or 3)
Q       Number of cells of colors B or C (2 or 3)
R       Number of cells of colors A,B or C (1,2 or 3)
S       Number of cells of colors A,B,C or D (1,2,3 or 4)