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Sort in scheme

Sort in scheme

Hello everyone.

    I have a problem with my task. I must to sort something like that:
(list (list 1 4 6 5) (list 2 3 4 9) (list 3 5 4 6) (list 4 7 10 3)) by second element of each list, viz. the result must look like:
((4 7 10 3) (3 5 4 6) (1 4 6 5) (2 3 4 9)) and I don't know how to do that. I will be very grateful if someone will help me, cuz I'm newbie in scheme.  

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