Probably the easiest one among the 3 variations. Initially not intended to publish this one as there are wasted space. However, the solution at least ...
(10 years ago) Looks easy but it took me 20 tries.
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EDIT 2022, 23rd Oct., - Again I needed to give it many tries (13). Adding stars to this Alkaline Phosphatase -u-,
Just some personal notes: (Originally 'Trasnscribe more 3', made on Jan 18, 2009) (Record = 102 steps on Dec 25, 2012 before publishing) (Notes added and name changed on Jan 5, 2013)