B3311331313231311331322331333132313231323331333131113331311331323221221   >>    B331133131323131133132233133313231323132333133313111333131133132322122   <<    B3311331313231311331322331333132313231323331333131113331311331323221223   >>      B3311331313231311331322331333132313231323331333131113331311331323221222   >>