08.09.2018, 21:15
Riad's September Sudoku Contest bis 10.9.: http://logicmastersindia.com/2018/09S/
Enthralling Sudoku 14.-17.9.: http://logicmastersindia.com/forum/forum...=2&start=1
Enthralling Sudoku 14.-17.9.: http://logicmastersindia.com/forum/forum...=2&start=1