D12132323131323132313331322132313233313231311221123121111331323223313232331   >>    D1213232313132313231333132213231323331323131122112312111133132322331323233   <<    D12132323131323132313331322132313233313231311221123121111331323223313232333   >>      D12132323131323132313331322132313233313231311221123121111331323223313232332   >>