(1) 直接相等 Directly Equality

这类题目中，规则直接指出了哪些格彼此相等或不等。In this type puzzles, rules tell you the cells' equality or unequality directly.

✿克隆Clone

      ∎连续克隆Consecutive Clone

      ∎差N克隆ΔN-Clone

✿字母对应Code

      ∎代码对Code Pairs

      ∎朋友Friends

✿回文Palindrome

(2) 待定相等 Unknown Equality

这类题目中，规则仅指出了一些相等或不等关系的存在。In this type puzzles, rules only tell you that the equality or unequality exists.

✿等形Figure Out

✿烤串Skewers

✿老虎机Slot Machine

✿子集Subset

✿待定克隆Unsure Clone

      ∎宫克隆 Box Clone