modern paintings

Painting’s panels dimensions: 60 x 60 = 30×60 + 30×60 70 x 70 = 35×70 + 35×70 80 x 80 = 40×80 + 40×80 90 x 90 = 45×90 + 45×90 100 x 100 = 50×100 + 50×100 120 x 120 = 60×120 + 60×120