# C20 · Garden notice · ordinary Day 20

**Complete source:** C20 invented proposal for shaded sitting corner; no opening/landholder permission/maintenance role.

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<summary>Ordinary educator example — after an own attempt</summary>

**Worked reasoning after own attempt:** Check authorisation, access and maintenance before saying built/open.

**Limit/next check:** No native-plant suitability, cultural practice, safe access or environmental benefit invented.

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