I M A Bit Confused For The Product Of This Reaction

I’m a bit confused for the product of this reaction. It appears the reagents used are O3 and Zn yet only one long product if form which is weird for me to see becuase this reagents when combined mostly result in a break away ketone and aldehyde where the pi bond are yet this didn’t happen. Can somebody help by drawing the reaction mechanism . I don’t understand.

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