Kiu kiu Kiu kiu Kiu kiu or qiu qiu is a form of dominoes popular in Indonesia related to pai gow. It may also be referred to as '99 domino poker'. It is played using a set of (28) double-six dominoes, which in Indonesia typically take the form of small cards, which are discarded after a few games as they show signs of wear. Players are typically required to pay a fixed ante into a pot, and are then dealt three domino cards. After evaluating their cards each player in turn may either bet (if there is no previous bettor), call (if
Schläfli double six the Schläfli double six is written 1230. As Schläfli showed, the double six may be constructed from any five lines "a", "a", "a", "a", "a", that are all intersected by a common line "b", but are otherwise in general position (in particular, each two lines "a" and "a" should be skew, and no four of the lines "a" should lie on a common ruled surface). For each of the five lines "a", the complementary set of four out of the five lines has two quadrisecants: "b" and a second line "b". The five lines "b", "b", "b", "b", and "b"