B3311331313231311331322331333131133132313311233132322133313233221   >>    B331133131323131133132233133313113313231331123313232213331323322   <<    B3311331313231311331322331333131133132313311233132322133313233223   >>      B3311331313231311331322331333131133132313311233132322133313233222   >>