Etruscan numerals whether the numbers on opposite faces of Etruscan dice add up to seven, like nowadays. Some dice found did not show this proposed pattern. An aspect of the Etruscan numeral system is that some numbers, as in the Roman system, are represented as partial subtractions. So "17" is not written *"semφ-śar" as users of the Arabic numerals might reason. One instead finds "ci-em zaθrum", literally "three from twenty". The numbers 17, 18 and 19 are all written in this way. The general agreement among Etruscologists nowadays is the following (except about which of huθ and śa were "four" or "six",
Chess960 starting position any dice. Roll all the dice in one throw and place White's pieces as follows: Place the white pawns and mirror the position for Black. Two coins (small and large) are used to randomly generate numbers with equal probability. Tails on the smaller coin counts as "0", tails on the larger coin counts as "1", and heads on either coin counts as "2". To create numbers in the range "1" through "4", toss both coins and add their values together. To create numbers in the range "1" through "3", do the same but retoss whenever "4" is the result. To