If correctly given the centre letters of the lights will give the proem.
Pampinea was the eldest (Proem), and by inference Elisa the youngest.
See his own acknowledgment in the Proem to the poems of 1842.
It is in the form of a "Proem" to a treatise on the Interpretation of Nature.
For though he "may now call myself free," that Proem tells us that after all we owe the Decameron ...