1
Input: 4 → [?] → 8, what is the rule? =
2
Input: 2 → [?] → 7, what is the rule? =
3
Input: 3 → [?] → 8, what is the rule? =
4
Input: 1 → [?] → 6, what is the rule? =
5
Input: 8 → [?] → 17, what is the rule? =
7
Input: 9 → [?] → 8, what is the rule? =
8
Input: 10 → [×3 - 2] → ? =