! ! - 2-3 . - 2 . - 3-4 . - 1 . - 2 . - , . - . : 1. , . 2. , . 3. . 4. : , , , . . . 5. 1 . 6. .
https://vk.com/public74438421?w=wall-74438421_27068
" ": 1 - - -λ 2 - ... 17 - 18 - 19 - 20 - 21 - ... 31 - 32 - 33 -