This question was sent in by Prasanth. Just 3 of 300+, identify the three and name the inventor.

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Cracked by: Dibyo , teju , duriel , Shakeel , udupendra , sumanth , sidsen , jayanth and shashank.

Dibyo, teju, prasanth, duriel, Shakeel, udupendra, sumanth, sidsen, jayanth and shashank