B3311331313231311331322331333132313331322331323133313331313331333132322212331   >>    B331133131323131133132233133313231333132233132313331333131333133313232221233   <<    B3311331313231311331322331333132313331322331323133313331313331333132322212333   >>      B3311331313231311331322331333132313331322331323133313331313331333132322212332   >>