Ajahn Ekaggata discusses sutta 12.12 from the Samyutta Nikaya: Moliyaphagguna Sutta. This is page 541 in 'The Connected Discourses of the Buddha', by Bhikkhu Bodhi.
"Venerable Moḷiyaphagguna asks who eats the consciousness food. The Buddha says the question is improper, as it assumes a self as agent. Rather, all the factors of dependent origination are simply natural conditions and have nothing to do with a “self”," Sutta Central.
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