Having finally joined the Twitter bandwagon [https://twitter.com/Muller_Mahjong] I recently had the chance to chat with Makoto Fukuchi about a tile efficiency question found in a book he edited [https://www.amazon.co.jp/麻雀-傑作「何切る」300選-G・ウザク/dp/4861998948]. With the hand on the bottom, it's