A Sudoku is a puzzle involving a 9x9 grid into which the numbers one to nine must be placed. The catch is that each row, column and 3x3 box has to contain each of the numbers one to nine once ...
The order was a tall one, but with the assembly of various industry-leading teams, and a multi-year effort, that order has now been fulfilled with a car they call the 9X9 and Kalmar is on its way ...