when you see it... . 123 x 8 + 3 = 987 1234x8 + 4 = 9876 12345 x 8 + 5 = 98765 123456 X 8 + 6 = 987654 1234567 X 8 + 7 = 9876543 12345676 x 8 + 8 = 98765432 123