There are several possible scenarios. As Richard stated, the official bracket will not be releasd until after Districts. One example is below:
D1 - 1st
D4 - 4th
D2 - 3rd
D3 - 2nd
D2 - 2nd
D3 - 3rd
D1 - 4th
D4 - 1st
D2 - 1st
D3 - 4th
D1 - 3rd
D4 - 2nd
D1 – 2nd
D4 – 3rd
D2 - 4th
D3 - 1st