B3311331313231311331322331333132313331322331323133313331122212331   >>    B331133131323131133132233133313231333132233132313331333112221233   <<    B3311331313231311331322331333132313331322331323133313331122212333   >>      B3311331313231311331322331333132313331322331323133313331122212332   >>