Create a system of equations of the form x ≡ c1 (mod n1) and x ≡ c2 (mod n2) that has more than one solution in Z_(n1n2)

Question

Create a system of equations of the form x ≡ c1 (mod n1) and x ≡ c2 (mod n2) that has more than one solution in
`Z_(n1n2)`

Answer 1

Explanation:

it's hard, I tried to do it but it didn't work