FAN 57 Two Melded Kongs (4 points)
Combination of two Melded Kongs (One Melded Kong and one Concealed Kong make 6 points!)
DOES NOT COMBINE WITH:
source: Mahjong Greenbook MCR Rules 2014 (pdf)
Combination of two Melded Kongs (One Melded Kong and one Concealed Kong make 6 points!)
DOES NOT COMBINE WITH:
source: Mahjong Greenbook MCR Rules 2014 (pdf)