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not a fisch🐬 solution in Clear category for Follow Instructions by vincent.tscherter
var follow = (i) => [/[lr]/g, /[fb]/g].map(
r =>(i.match(r)||[]).reduce( (a,c) => a + {f:1, b:-1, l:-1, r:1}[c], 0)
)
May 21, 2020
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