No. 21 Ajaíòà cave inscription, is on the tenth (fifth standing) pillar on the same side, on the umbrella over a figure of Buddha. (ASWI)

Text.

Deyadharmmoyaì Ùàkyabhikøor bhadaìta-Saìghaguptasya
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"This meritorious gift of the Ùàkya mendicant, the reverend Saêghagupta." (ASWI)