This figure shows a single ACS (ACS0) with two pass-thrus, once the ACS merge is complete:
Right:
LSM 0,0
LSM 0,1
LSM 0,2
LSM 0,3
To the left:
LSM 0,4
LSM 0,5
LSM 0,6
LSM 0,7
LSM 0,8
LSM 0,9
LSM 0,10
LSM 0,11