B3311331313231311331322331333132313331322331323133313331311211132211   >>    B331133131323131133132233133313231333132233132313331333131121113221   <<    B3311331313231311331322331333132313331322331323133313331311211132213   >>      B3311331313231311331322331333132313331322331323133313331311211132212   >>