B3311331313231311331322331333132313331322331323133313332321323132313113121   >>    B331133131323131133132233133313231333132233132313331333232132313231311312   <<    B3311331313231311331322331333132313331322331323133313332321323132313113123   >>      B3311331313231311331322331333132313331322331323133313332321323132313113122   >>