The furnace in the image is at X=15 Y=1, using can_place_entity with a straight-rail at X=15Y=3 returns true, even though it*s in the water.

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>>>AAANAAAAXQADAwYAAAAEAAAAY29hbAMDAwoAAABjb3BwZXItb3Jl
AwMDCQAAAGNydWRlLW9pbAMDAwoAAABlbmVteS1iYXNlAwMDCAAAAGl
yb24tb3JlAwMDBQAAAHN0b25lAwMDYlx4VAAAAAAAAAAAAwDg/eeN<<
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