FAN 23 Pure Triple Chows (24 points)
Three Chows of the same numerical sequence and in the same suit.
DOES NOT COMBINE WITH:
Pure Shifted Pungs [24] (included)
Pure Double Chow [69] (included)
FREQUENCY:
Only about 0.05% of all MCR games end with this 3-sets combination scoring element.
source: Mahjong Greenbook MCR Rules 2014 (pdf)