Changes I've made:
Wave 1:
Fixed Pacing issues for last subwave.
Wave 2:
Added demoman support for last subwave.
Wave 3:
Made the last three tanks spawn 20 apart from each other.
Wave 1:
Fixed Pacing issues for last subwave.
Wave 2:
Added demoman support for last subwave.
Wave 3:
Made the last three tanks spawn 20 apart from each other.