12 7 x 20 3 July 8, 2019 16 32 64 128 12 7 x 20 32 cm 12 7 x 20 32 3 x 7 )+ 20 12 2 x 3 12 3 x )- 7 93 20 X 3 20 7 12 x 3 5 12 7 x 20 32 cm 5 x 8 12 x 20 =