Examples
- http://tenhou.net/0/?log=2014040608gm-008f-0000-06f11d2c&tw=3&ts=5
- http://tenhou.net/0/?log=2014042516gm-0089-0000-21a7ac20&tw=3&ts=2 - With 5th kan opportunity
- http://tenhou.net/0/?log=2015080301gm-0009-0000-1cf7fc0f&tw=1&ts=8 - with daisangen (and pao!)