1 # 80 ---------------------------------------------------------------------------
2 zippy = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa - (bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb - cccccccccccccccccccccccc)
4 zippy = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccccccccccc
6 zippy = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccccccccccc + ddddddddddddddddddddd + eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee + ffffffffffffff(aaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbb, ccccccccccccccccccc, ddddddddddddddddddd)
8 zippy = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccccccccccc + ddddddddddddddddddddd + eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee + ffffffffffffff(aaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbb + ccccccccccccccccccc + ddddddddddddddddddd)
10 zippy = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccccccccccc + ddddddddddddddddddddd + eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee + ffffffffffffff(aaaaaaaaaaaaa - (bbbbbbbbbbbbbbbbbbbbbbbb + ccccccccccccccccccc + ddddddddddddddddddd))