(a) 11.5 × 15.4 cm irreg. (image and sheet) (b) 8.3 × 10.8 cm irreg. (image and sheet) (c) 11.5 × 11.1 cm irreg. (image and sheet) (d) 11.6 × 13.2 cm irreg. (image and sheet) (e) 10.2 × 11.8 cm irreg. (image and sheet) (f) 10.7 × 13.2 cm irreg. (image and sheet)