Keep the start of windings L1 and L2 marked because the orientation of these two windings are important to the operation of the oscillator.
If you swap
one of the primary windings end for end, should work ok. (i.e.
swap start and finish of winding L1)
This is assuming you have no shorts or damage to windings. If you look closely at the layout diagram that John supplied and you have wound the coils all in the same direction, you will see the start and finish of each of the primary winding positions are marked.