23.3 × 41.3 cm (9⅛ × 16¼ in.) 50.0 × 50.0 cm (19⅝ × 19⅝ in.) 36.3 × 33.9 cm (14¼ × 13⅜ in.) 50.0 × 50.0 cm (19⅝ × 19⅝ in.) ...