That's 5 steps (fill Y, pour Y in Z are two separate steps), and in total 14 water is used (filling Y twice). Essentially, it's doing the same as the solution I provided: fill Y twice to collect 14, subtract the content of X making 11.

In reply to Re^4: Challenge: N Jugs Problem by JavaFan
in thread Challenge: N Jugs Problem by Limbic~Region

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