12 x 42 = 21 x 24 23 x 96 = 32 x 69 24 x 84 = 42 x 48 13 x 62 = 31 x 26 46 x 96 = 64 x 69
1 x 8 + 1 = 9 12 x 8 + 2 = 98 123 x 8 + 3 = 987 1234 x 8 + 4 = 9876 12345 x 8 + 5 = 98765 123456 x 8 + 6 = 987654 1234567 x 8 + 7 = 9876543 12345678 x 8 + 8 = 98765432 123456789 x 8 + 9 = 987654321
