How will you differentiate between first set of:
- - - D
- - - E
and the second set of
- - - D
- - - E
What makes them first or second? You need some other key as there is nothing to enforce its order...
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"The only true wisdom is in knowing you know nothing"
"O skol'ko nam otkrytiy chudnyh prevnosit microsofta duh!":-D
(So many miracle inventions provided by MS to us...)
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