Polys : The 'Square' panels are based on a 7 x 8 (56 cell) module and the "triangular" 7 x 7 (7+6+5+4+3+2+1 = 28 cells) so they are not 'handed' both 156x156mm cells
Monos: The 'Square' panels are based on a 8 x 9 (72 cell) module and the "triangular" 8 x 8 (8+7+6+5+4+3+2+1 = 36 cells) so they are not 'handed' both 125x125mm cells
Monos: The 'Square' panels are based on a 8 x 9 (72 cell) module and the "triangular" 8 x 8 (8+7+6+5+4+3+2+1 = 36 cells) so they are not 'handed' both 125x125mm cells