D233123313113313132313231311112331323221323223313231323212331121   >>    D23312331311331313231323131111233132322132322331323132321233112   <<    D233123313113313132313231311112331323221323223313231323212331123   >>      D233123313113313132313231311112331323221323223313231323212331122   >>