B3311331313231311331322331333132313331322331323133313331323132322323231   >>    B331133131323131133132233133313231333132233132313331333132313232232323   <<    B3311331313231311331322331333132313331322331323133313331323132322323233   >>      B3311331313231311331322331333132313331322331323133313331323132322323232   >>