B3311331313231311331322331333132313331322331323133313311221333132322113111121   >>    B331133131323131133132233133313231333132233132313331331122133313232211311112   <<    B3311331313231311331322331333132313331322331323133313311221333132322113111123   >>      B3311331313231311331322331333132313331322331323133313311221333132322113111122   >>