I suspect this may already have been done...
From the
Subtle Changes challenge. See all
87 entries (closed)
(
brianftang www.brianftang.co.uk,
Sun 23 Apr 2017, 18:53,
archived)
:-)
(
dirk speedrift Sit doon,
Sun 23 Apr 2017, 22:45,
archived)
(-:
(
macroscian (1 like),
Sun 23 Apr 2017, 23:28,
archived)