Again, each secondary array may comprise similar width cutters at the same radial distance from the bit axis, or cutters at {HEAD ~ different radial distances} from {TAIL ~ the tool axis} 
from
Again , each secondary array may comprise similar width cutters at the same radial distance from the bit axis , or cutters at { HEAD ~ different radial distances } from { TAIL ~ the tool axis }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL