level@@1	level	degree	15
level@@1	level	grade	9
level@@1	level	stage	8
level@@1	level	rank	7
level@@1	level	standing	5
level@@1	level	zone	5
level@@1	level	height	4
level@@1	level	plane	4
level@@1	level	layer	3
level@@1	level	ordinal level	3
level@@1	level	position	3
level@@1	level	status	3
level@@1	level	stratum	3
level@@2	level	elevation	4
level@@2	level	altitude	2
level@@2	level	height	2
level@@2	level	surface	2