atc/alt/phrasology

[usid1]

when flying thru BOLSHERETSK FIR enroute to and from petro UHPP to Alaska or Japan .when the Russian controllers assign an altitude ,how do they say it ? 1. " climb to 410 " 2. " climb to 397 " or 3. "climb to 12,100 meters "?
thanks

[Ibis]

one two thousand one hundred meters

[buzzc152]

In my experience of flying in Russia most controllers would say, 'Climb Flight Level Twelve Thousand One Hundred meters'. Never been to far eastern Russia though os maybe it's different out there.