B3311331313231311331322331333132313331322331323133313331313231333131313223331   >>    B331133131323131133132233133313231333132233132313331333131323133313131322333   <<    B3311331313231311331322331333132313331322331323133313331313231333131313223333   >>      B3311331313231311331322331333132313331322331323133313331313231333131313223332   >>