B3311331313231311331322331333132313331322331323133313331323123121111131   >>    B331133131323131133132233133313231333132233132313331333132312312111113   <<    B3311331313231311331322331333132313331322331323133313331323123121111133   >>      B3311331313231311331322331333132313331322331323133313331323123121111132   >>