wrong figure in 3b

sir,may 2018 in 3b return by mistake submitted wrong outward supplies and wrong ITC detain which was other party details.in next 3 b return try to rectify such mistake but tournover detail shown in wrong 3 b is higher than actual figure.if do so for rectify such figure comes in minaus figure.so it is not possible to rectify in next coming months we filed gstr 1 with correct figure.now what is the solution.