8 x 8, 8 x 20, 8 x 16, 8 x 10, 8 x 24, 8 x 12, 10 x 10, 10 x 25, 10 x 8, 10 x 20, 10 x 30, 11 x 14, 12 x 36, 12 x 16, 12 x 18, 12 x 12, 12 x 30, 12 x 8, 12 x 24, 14 x 11, 15 x 60, 16 x 48, 16 x 8, 16 x 20, 16 x 24, 16 x 16, 16 x 40, 16 x 32, 16 x 12, 18 x 24, 18 x 12, 20 x 16, 20 x 60, 20 x 10, 20 x 80, 20 x 20, 20 x 50, 20 x 24, 20 x 30, 20 x 40, 20 x 8, 24 x 16, 24 x 18, 24 x 72, 24 x 20, 24 x 12, 24 x 8, 24 x 24, 24 x 60, 24 x 32, 24 x 36, 24 x 48, 25 x 10, 28 x 40, 30 x 40, 30 x 60, 30 x 12, 30 x 20, 30 x 10, 30 x 75, 32 x 48, 32 x 24, 32 x 16, 36 x 48, 36 x 24, 36 x 36, 36 x 12, 40 x 16, 40 x 50, 40 x 60, 40 x 20, 40 x 28, 40 x 30, 48 x 24, 48 x 16, 48 x 32, 48 x 36, 50 x 40, 50 x 20, 60 x 15, 60 x 40, 60 x 24, 60 x 30, 60 x 20, 72 x 24, 75 x 30, 80 x 20