B3311331313231311331322331333132313331322331323133313331323222123323311   >>    B331133131323131133132233133313231333132233132313331333132322212332331   <<    B3311331313231311331322331333132313331322331323133313331323222123323313   >>      B3311331313231311331322331333132313331322331323133313331323222123323312   >>