Crab Effect

Editor: Poachers are Wicked and ruthless hunters, they destroy fauna bringing horrible harm to animal kingdom. This time crabs are in danger: their inhabitation is mined. Poor creatures need urgent help! You have to move the roped mines so that to bring them into contact and explode before crabs arrive. But it`s not that easy to Guess which ropes to pull: occasionally mines miss the crash in some millimeters... But isn`t it a noble challenge when such cute crabs are in danger?!