SimmonsSmith reaction of cyclohexane with di iodomethane gives a single Cyclopropane product, but the analogous reaction of

Question:

Simmons—Smith reaction of cyclohexane with di iodomethane gives a single Cyclopropane product, but the analogous reaction of cyclohexane with 1, 1-diiodoethane gives (in low yield) a mixture of two isomeric methyl Cyclopropane products. What are the two products, and how do they differ?