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edge "1/earth" "1/bar"
edge "1/foo" "1/earth"
edge "1/foo" "1/i0"
edge "1/foo" "1/i1"
edge "1/foo" "1/i2"
edge "1/foo" "1/mars"
edge "1/foo" "1/mercury"
edge "1/foo" "1/venus"
edge "1/i0" "1/bar"
edge "1/i1" "1/bar"
edge "1/i2" "1/bar"
edge "1/mars" "1/bar"
edge "1/mercury" "1/bar"
edge "1/venus" "1/bar"
graph
node "1/bar" "bar\n1"
node "1/earth" "earth\n1"
node "1/foo" "foo\n1"
node "1/i0" "i0\n1"
node "1/i1" "i1\n1"
node "1/i2" "i2\n1"
node "1/mars" "mars\n1"
node "1/mercury" "mercury\n1"
node "1/venus" "venus\n1"
stop
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