B3311331313231311331322331333132313233313231333131113331313331323233221   >>    B331133131323131133132233133313231323331323133313111333131333132323322   <<    B3311331313231311331322331333132313233313231333131113331313331323233223   >>      B3311331313231311331322331333132313233313231333131113331313331323233222   >>