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1.
https://vk.com/doc37931672_679620677?hash=xC36SAumQ3iqKY1Iz8fYWRrfyVa41FW60Qt5gh5tKdw&dl=lubgZDp...
16 + 1 + 2 . . 35 . (8 + 16 + 9 + 2 . ...