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Rating: 6/10 (25 December 2018)

As far as I can see no one need to die. Way is simple - just take few days from hibernated passangers. For a 90-year survival, each passenger would sacrifice 7 days. Exchange with passenger #1. This would be changed after 7 days with number 2 etc (2 with 3 ...).
Math: 4999*7/365 = 96 years
*this comment has been added for fun