///, 208 bytes

/'/\/\///+/BA
AB'-/DC+CD'&/FE-EF')/HG&GH'=/JI)IJ'|/LK=KL'7/NM|MN'1/PO7OP'q/RQ1QR'p/TSqST'6/VUpUV'[/XW6WX/A
A+C+C-E-E&G&G)I)I=K=K|M|M7O7O1Q1QqSqSpUpU6W6W[Y[YZY[Y[W6W6UpUpSqSqQ1Q1O7O7M|M|K=K=I)I)G&G&E-E-C+C+A
A

Not winning of course, but here it is, predating Martin Ender...