6 x 4 90 July 8, 2019 16 32 64 128 6x 6 2x 4 90 6 4 9031 x 4 x 6 2 900 900 x 4 6 90 36 6 x 4 4 x 4 5x 6 90 6 x 90 6 × 90 90 x 4