Revert "HW4 CCS redo"

This reverts commit 38de1f6b08e2a949228e8fec74cc2b780af6c015.
Revert "HW4 CCS update"

This reverts commit 5d12b6629577cecde7864485d7820d1e20cb2dea.
HW4 CCS Redo 2