id	keyword
gc-933	○ ○
gc-933	○ ▄
gc-933	▄ ○
gc-933	▄ ▄
gc-933	○ █
gc-933	█ ○
gc-933	○ ●
gc-933	sediment
gc-933	grains
gc-933	outburst
gc-933	quartz
gc-933	dam
gc-933	surface
gc-933	size