Implement the counter positions calculation
Implement the counter positions calculation

balanced/PyXB,CantemoInternal/pyxb,jonfoster/pyxb2,jonfoster/pyxb-upstream-mirror,pabigot/pyxb,balanced/PyXB,pabigot/pyxb,balanced/PyXB,CantemoInternal/pyxb,jonfoster/pyxb2,jonfoster/pyxb-upstream-mirror,jonfoster/pyxb-upstream-mirror,CantemoInternal/pyxb,jonfoster/pyxb2