Carrier and local comparison head,Six-workday route,Completed-week route
Primary: 4136 BC,4136 → 3476 → 3470 BC: 660 + 6 = 666,4136 → 3366 → 3359 BC: 770 + 7 = 777
Companion: 4234 BC,4234 → 3574 → 3568 BC: 660 + 6 = 666,4234 → 3464 → 3457 BC: 770 + 7 = 777