Circulated Condition

• 06666008 contains a 4-of-a-kind and 1 pair together. Only 0.10% of 8-digit numbers have this combination.
• 06666008 contains a 4-of-a-kind and 1 triple. Only 0.21% of 8-digit numbers have this combination.
• All of the digits in 06666008 are even! Only 0.39% of 8-digit numbers have this property.
• 06666008 has 3 unique digits. In 0.71% of 8-digit numbers, there are 3 or fewer unique digits.