by pieter billen 

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--------------------------|--------------------------| repeat 3 times
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--3--3--3--3--3--3--3--3--|-----------------------0--|


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--------------------------|--3--3--5--5--6--6--8--8--|
--3--3--3--3--3--3--3--0--|--------------------------|


/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
+  Adrian Morse           +
++++++++++++++++++++++++++++++++++++++++++++++