: 2 - 6 - 12 (1 , )*6 (2 , )*6 .. (9 , )*6 15 . (9 , )*6 (8 , )*6 (7 , )*6 (6 , )*6 (5 , )*6 (4 , )*6 (3 , )*6 . (2 , )*6 (1 , )*6 6 : 2 - 6 - 12 (1 , )*6 (2 , )*6 .. (6 , )*6
