B3311331313231311331322331333132313331322331323133313232213231333132312111121   >>    B331133131323131133132233133313231333132233132313331323221323133313231211112   <<    B3311331313231311331322331333132313331322331323133313232213231333132312111123   >>      B3311331313231311331322331333132313331322331323133313232213231333132312111122   >>