Han: 2 han (1 han if open)
Open or closed
Difficulty: ★★★☆☆
Requirement:
- Three identical sequences across all three suits (e.g., 4-5-6 in characters, circles, and bamboo)
Meaning:
A high-efficiency yaku that rewards good tile distribution.
Good with:
Riichi / Dora / Tanyao
Cannot combine:
No special restrictions