2 1 9x5 July 8, 2019 16 32 64 128 2 1 9 x 5 1 2 9x5 6 1 2 x 9x5 4 5 x 1 2 9 5x 1 2 x 9 2 Y 5 x 1 2 9 2 5 x 9 2 5×9 2 x 2 5
