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Recursive rules
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5-point ladder

Recursive rules, 5-point ladder

●●●5 points, difficulty 3 of 35 pt

Needs an idea, not just a procedure.

3 in a row to finish this ladder.

0/1 solved

KA-0106

about 105s

A machine turns 3 into 7, 5 into 11 and 8 into 17. What does it turn 12 into?