pure straight; winning hand containing nine consecutive tiles of the same suit (i.e. 1-9)mahjongabbreviationsometimes written イッツーsee also 一気通貫【いっきつうかん】
pure straight; winning hand containing nine consecutive tiles of the same suit (i.e. 1-9)mahjongabbreviationsometimes written イッツーsee also 一気通貫【いっきつうかん】