Labyrinth VII

Follow these rules:

1. Start with starting value (12).
2. Find a route, carrying out the appropriate operations as you go.
3. In this maze, you can't go through the same operator twice in the same place.
4. : = divide by, + = add, - = subtract, x = multiply.
5. The objective is to exit on the right with the correct value (4).

Solution (not for the tenacious)

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