B3311331313231311331322331333132313331322331323133313331313232321323113121   >>    B331133131323131133132233133313231333132233132313331333131323232132311312   <<    B3311331313231311331322331333132313331322331323133313331313232321323113123   >>      B3311331313231311331322331333132313331322331323133313331313232321323113122   >>