Worked a PC9 this morning non RVSM and non 8.33 who desperately wanted to get above 270 for fuel efficiency before more restrictive airspace en route. Even with the wide open spaces of the North Sea to vector, FL330 was a very difficult level to monitor and separate when needed. Every time I looked for another level there were conflicts. Ended up with 2 other levels being changed and 2 on headings.
Glad to help but boy is it hard work.
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