Sanshoku doujun

Sanshoku doujun (三色同順) is a standard yaku. This yaku involves Shuntsu of the same numbered tiles across the three main suits.

Sanshoku doujun
Type Yaku
Kanji 三色同刻
English Three colored triplets
Value 2 han (closed)
1 han (open)
Speed Medium
Difficulty Medium

Tile pattern

              agari :  

This hand contains shuntsu of 123 from 3 different main suits. Since this hand played closed, it's sanshoku valued 2 han.

               agari :  

                agari :   or  

While having same tiles with the first example, these hands played open and hence the sanshoku only valued 1 han.

Value

2 han on closed hand, 1 han on open hand.

External links

Sanshoku doujun in Japanese Wikipedia